Do-it-yourself heating scheme in a private house made of polypropylene. Do-it-yourself step-by-step instructions for installing plastic heating pipes in a private house

Docking pipes from various materials has its own characteristics and nuances. Electric or gas welding machines are used to connect steel pipes. Polypropylene products are connected by diffusion welding, chemical bonding (cold welding), and threaded fittings.

Fastening heating pipes on supporting structures (open way) using special fasteners can be done quickly enough on your own when carrying out repairs.

Quite often, wiring requires chasing walls with laying pipelines in prepared recesses. This method is most often used during the construction phase.

For the purpose of laying heating, welding generators, various types of soldering irons, sets of adjustable wrenches, sealing materials for threaded connections (tow, fumlent, paste) can be used. Special crimp tools may be required to connect metal-plastic parts and cross-linked polypropylene pipes.

Drawing and diagrams

Heating is always divorced on the basis of preliminary calculations with the preparation of plans and schemes. The design determines all subsequent technological operations, so this stage should be treated with special attention.

At the design stage, it is necessary to determine the wiring diagram, which can be one- or two-pipe, horizontal or vertical, dead-end or with oncoming coolant flow. Quite popular in low-rise construction is the wiring diagram, called "Leningrad".

All installation work must be done in stages. Each stage corresponds to a certain preparation, including the calculation, the acquisition of parts, and the marking of the connected elements. To connect polypropylene thermal sections, you must:

• cut and clean parts of the pipeline of the required length and prepare the fittings;
• install nozzle on soldering iron required diameter;
• Heat up the soldering iron to 260 degrees. Celsius;
• for a few (from 5 to 9 seconds) seconds, place the pipe and the element to be connected on the appropriate nozzle in order to melt the polyethylene layer;
• combine the elements and compress until "seizing" when cooling;
• connect the sections with the installed heating equipment, make a rigid fixation with fasteners.

When installing pipes of different diameters, it is important to avoid connections in which the movement of the coolant is difficult and to observe the distance between the pipes. Otherwise, it all depends on the project, the characteristics of the equipment and the components used.

A few simple tips, the observance of which will ensure the efficient operation of thermal equipment:

• do not save on the cost of pipes, fittings, sealing materials by purchasing them from trusted suppliers;
• cut polyethylene pipes strictly at an angle of 90 degrees;
• do not skip the stage of stripping the ends of pipes reinforced with aluminum foil;
• when connecting the elements of the system, immediately check each welding seam and threaded connection by hand;
• when soldering, strictly observe the heating time of the pipe and fitting;
• after assembling the system, fill in the coolant, and check the system in operation.

Leaks even in one place exclude the normal operation of the entire equipment complex as a whole.

Of the large number of advantages of elements made of polypropylene, the following can be distinguished:

• Lack of reaction with the coolant and oxidation inside the pipe.
• Trouble-free operation for a long time, provided the system is properly installed.
• Easy repair and improvement.
• Possibility of installation of heating from polypropylene pipes even by beginners.
• Low price of the material compared to metal products.
• Assembly of the system without the use of complex equipment.

It is possible to engage in laying pipes made of polypropylene without having professional knowledge in this area.

The first step in the process of arranging a heating system is to draw up a project plan. In this case, one should take into account the total length of the pipes, as well as the scheme for installing heating from polypropylene pipes.

In addition, the following points are taken into account:

• What type of connecting parts will be used when connecting to a common circuit: welded, combined or threaded, allowing you to connect polypropylene and metal pipes.
• Are there difficult places where there are no conditions for pipe welding. If available, you must first connect the elements of the heating system.
• Type of installed system: gravity circulation or forced movement of the coolant. For each type there is a specific installation.
• At what pressure will the system work, and what temperature will the coolant have.

Self-installation of the heating system is carried out using a soldering iron for polypropylene pipes, otherwise it is also called "iron". It is great for this type of work, but when choosing such a tool, it is worth considering some nuances:

• Inexpensive models of soldering irons for polypropylene pipes are equipped with Teflon-coated metal nozzles. More expensive soldering irons are equipped with copper nozzles.
• Large temperature range and high power make the device more convenient to operate. By observing the temperature and time parameters of soldering, it is possible to assemble the heating system with high quality.
• Cheap soldering irons are not designed to last.
• Of great importance is the form of "ironing". Tube-shaped devices cost several positions more than hammer-shaped soldering irons. However, the first option makes it easier to braze counter-joints and weld pipes with elbow fittings in difficult places.

Installation of heating from PP pipes must be carried out according to certain rules, which state that the diameter of the nozzle must correspond to the diameter of the element to be welded. However, it should be borne in mind that other types of nozzles can be used on tubular soldering irons, and hammer-shaped “irons” work only with their component parts.

At a professional level, mechanical type welding units are used. When working with pipes of large diameter, the alignment of the joints is carried out by a special hydraulic drive. Such a device provides comfortable conditions for welding tubular elements with a diameter exceeding 4 cm. The device is characterized by a minimum temperature error and high reliability. To install a heating system with such a device, you must have special skills and experience.

PP pipes are produced in two types:

• Reinforced.
• Unreinforced.

The first option is recommended to be used on pipelines where the working medium has high pressure and temperature. They belong to the category of "stabilized", as they are characterized by a minimum coefficient of thermal deformation.

The second type of pipe is used in industrial systems where liquid heating is not provided, as well as in the installation of cold water supply systems, which can be easily done by hand.

To perform each type of work, pipes with a certain marking are used. For example, a pipe with an index of PN10 has a working pressure of 10 atmospheres, and the temperature of the medium in such a pipe cannot exceed 450C. Such material is used for the installation of low-temperature plumbing systems. Pipes with the PN25 index (pressure 25 atmospheres and temperature 950C) are used in hot water supply systems and in heating.

Pipes marked with the PPR index have a strictly industrial purpose; the manufacturer does not recommend using such materials for transporting drinking water.

Installation of the underfloor heating system is carried out using specialized polypropylene pipes. Such material is supplied in coils, since the system does not involve welding elements. Docking with the coolant collector in this case is carried out using crimp sleeves, which are fixed with special tongs. The cost of this tool is quite high, so it is more profitable to rent it for the duration of installation or repair work.

Laying of pipe elements can be carried out in two ways: "snail" or "along the contour". In both cases, it should be noted that polypropylene pipes do not have the ability to bend strongly, this can lead to irreversible damage to the pipe.

To obtain a high-quality result, it is necessary to follow certain rules for installing heating from polypropylene pipes.

1. High rates of thermal insulation. You can verify the correctness of this statement even without the presence of special devices - simply compare the surfaces of pipes made of polypropylene and metal to the touch. Polypropylene walls will be barely warm, and metal, other things being equal, can even leave a burn. This confirms that the metal is losing thermal energy.
2. High resistance to chemical and corrosive influences. This contributes to a significant increase in the service life of polypropylene pipes.

The feasibility of using polypropylene pipes

• In case of emergency freezing of the system, the pipes do not burst (like metal products). This item is especially important for the heating system of a private house, where such troubles are not excluded.
• Relatively light weight reduces the load on the structure.
• Installation of the engineering system is simple. To create it, you do not need welding equipment and the ability to handle it. The connections of the elements will be tight without threaded assemblies and sealing gaskets.
• In some situations, the absence of electrical conductivity is useful.

Since in this case the presence of high temperatures is implied, specialized products should be purchased. They are created from polypropylene transformed in a special way, when sections of ethylene are added to the standard molecular chain. This allows short-term operation in the range from 105°C to 115°C. The exact values ​​are given in the manufacturer's accompanying documentation.

The cost of products depends on the type of materials and design, wall thickness. The brand name matters. It is difficult to give accurate advice, because changes in the market are caused by a variety of factors, including fluctuations in exchange rates. It will be fair to say that the price of polypropylene fiberglass reinforced pipes for a heating system will be higher. On the other hand, we must remember that not everywhere such a reinforcement of the structure will be needed.

As for the disadvantages, there are many:

1. High labor intensity and material consumption. You will need to ditch the walls and install pipes there. This is much more difficult than just attaching them to the clips.
2. Large heat losses. Part of the thermal energy of the pipes that are walled up in the walls is transferred to the structure itself, which reduces the efficiency of the heating system.
3. Complexity of operation. In the event of an accident, it is necessary to dismantle the decorative trim in order to get to the leak. Sometimes this leads to the need to re-finish the room.
4. High cost. A large amount of materials and labor intensity entail significant costs of funds for the creation of such a system.

At my son's dacha, I did heating using the open laying method. But I will also tell you the technology of installing pipes by a hidden method.

So let's get started:

1. First you need to install the boiler and heating radiators. To protect the latter from damage, I do not recommend removing the plastic and cardboard packaging from them until all the finishing work in the room is completed.

1. Then the marking of places for future pipe laying is carried out.. I usually do this with a regular marker right on the walls.
2. After that you can grind. I take a grinder and cut two paths at such a distance from each other that a pipe fits into the resulting groove (with a small gap). Then I take a puncher and gouge a recess with a chisel.

1. At the next stage, the system is soldered and the connected pipes are inserted into the strobes. To keep the pipe from moving, I always attach the parts to plastic clips.

Let me remind you once again that, according to SNiP, only pipelines with permanent connections can be hidden. That is, if you use metal-plastic pipes with threaded fittings, you should never wall them up in cement.

1. Then you can connect the pipes to the heating devices.

1. Once all connections have been made, you can pressurize. For this, a device is used that injects air into the pipes to a certain pressure. This process allows you to identify leaky connections that will leak when the pipes are filled with coolant.

1. Only after all tests and a test run of the heating system have been carried out, it is possible to seal the strobe with cement mortar.

The circulation pump can be built into the circuit or installed on the return line of the pipeline. The design of the expansion tank is mounted in front of the pump.

Useful information! The connection of a powerful boiler to the distribution of polypropylene pipes is made through metal. Do-it-yourself heating in a private house made of polypropylene pipes is connected using a collector comb and a hydraulic separator.

Heating is an important part of any home. The choice of high-quality material allows you to create the right heating system for a comfortable stay.

It is impossible to unequivocally answer the question which material is better. It all depends on the parameters of a particular heating circuit and the capabilities of the developer. If it is better to entrust the design and assembly of the entire heating system to experts in this field, then you can install small sections of polyethylene pipes yourself. The undeniable advantages of polymer structures include:

• simplicity of technology for connecting parts;
• no need to use expensive and bulky equipment;
• smooth inner surface;
• the possibility of using water and various antifreezes as a coolant, which practically do not react with polypropylene;
• low cost and long service life.

Steel pipes differ for the better:

• resistance to high temperatures, pressure, ultraviolet radiation and mechanical stress;
• low coefficient of specific expansion;
• the possibility of direct threading.

Assembling systems on metal pipes and carrying out welding operations require the use of sufficiently large equipment and special skills. Soldering and laying plastic lines is much easier and even amateurs can do heating with their help, having previously studied the issue from numerous photo and video materials, in many presented on the Internet.

• socket welding. when one end of the pipe is inserted into the other, purposely expanded for this;
• sleeve welding. when special parts and couplings are used when connecting pipes.

1. Polypropylene products Dn 20x3.4 are connected to metal-plastic pipes with dimensions 16x2, Dn 25x4.2 - to pipes 20x2, Dn32x5.4 - to 26x3.
2. It is undesirable to use PP pipes with parameters greater than 20x3.4 when implementing a two-pipe heating scheme powered by a pipeline (main).
3. The maximum length of the branch supplying the coolant from the last battery to the heating boiler is 25 m. If the length of the line is longer, uniform heating of the radiators is not possible.

To save money on the services of specialists, you can install heating in a private house from polypropylene pipes with your own hands. This approach will help you control all work processes yourself. As a result, it will turn out not only to save money, but to get really reliable quality assurance.

You can accurately perform the most critical operations on your own

It should be noted the positive features of pipes made of polypropylene:

• In case of emergency freezing of the system, the pipes do not burst (like metal products). This item is especially important for the heating system of a private house, where such troubles are not excluded.
• Relatively light weight reduces the load on the structure.
• Installation of the engineering system is simple. To create it, you do not need welding equipment and the ability to handle it. The connections of the elements will be tight without threaded assemblies and sealing gaskets.
• In some situations, the absence of electrical conductivity is useful.

For objectivity, a relatively large coefficient of thermal expansion should be mentioned. The table shows approximate figures for pipes with a length of 10 meters, if heated to 45 ° C:

Technical characteristics of polypropylene pipes for heating

Since in this case the presence of high temperatures is implied, specialized products should be purchased. They are created from polypropylene transformed in a special way, when sections of ethylene are added to the standard molecular chain. This enables short-term operation in the range from +105°C to +115°C. The exact values ​​are given in the manufacturer's accompanying documentation.

Aluminum and fiberglass are added to increase strength and reduce the expansion coefficient. Below are the typical designations in the names:

The price of propylene pipes for heating

The cost of products depends on the type of materials and design, wall thickness. The brand name matters. It is difficult to give accurate advice, because changes in the market are caused by a variety of factors, including fluctuations in exchange rates. It will be fair to say that the price of polypropylene fiberglass reinforced pipes for a heating system will be higher. On the other hand, we must remember that not everywhere such a reinforcement of the structure will be needed.

Image	External diameter, mm	Wall thickness, mm	Type	Price per linear meter, rub
	Polypropylene
	20	1,9	PN 10	38
	20	2,8	PN 16	51
	20	3,4	PN 20	56
	Polypropylene + aluminum
	20	2,8	PN 16	111
	20	3,4	PN 20	124
	Polypropylene + glass fiber
	20	2,8	PN 16	71
	20	3,4	PN 20	88

Mounting Features

When designing a system of polypropylene pipes with your own hands, you should carefully study the issues of thermal expansion. Even when choosing the most expensive aluminum-reinforced products, the corresponding changes will be significant. To compensate for temperature transformations during the laying of the route, rigid fixation is alternated with fasteners that do not interfere with mobility in the linear direction. Apply "P" - figurative and sections of a different type, which are created taking into account possible deformations.

Ring expansion joints in vertical sections

For example, one annular expansion joint with a pipe diameter of 20 mm is installed for every 30 m of linear route when using products. These data are used when using polypropylene products reinforced with aluminum from above. But they are valid only for a certain model. It is necessary to clarify specific reference data for the selected components.

When passing through walls, interfloor ceilings, sections of pipes of a larger diameter are inserted into the holes. Specialists have different opinions regarding the installation of the system in a screed and in other monolithic elements of building structures. Experienced craftsmen place the track in special channels.

Choosing a heating scheme

Cheaper than other options - do-it-yourself single-pipe water heating scheme for a private house. In such a project, heating radiators are connected in series, so the number of route components is minimal. But it should be noted that the most distant devices will work with a low liquid temperature. Their autonomous adjustment is impossible, as well as the connection of equipment to the control of a modern complex of the “smart home” category.

More options for users when choosing a circuit with a switchgear. To power individual radiators, or several blocks, a collector is used. If necessary, sensors and electromagnetic actuators can be installed to automatically maintain a comfortable temperature.

Related article:

Few people know what this useful device is for. We offer you to get acquainted with its capabilities in a separate publication of our portal.

Project package

Do-it-yourself heating in a private house from polypropylene pipes will be easier to create if you prepare the necessary materials and tools in advance:

• In addition to a certain number of pipes, fittings, valves, valves and other parts of the route are purchased.
• The system includes a tank for expanding when heated. To protect against excessive pressure, a special valve is installed.
• Radiators are equipped with regulators and Mayevsky cranes.
• To work with pipes, you will need a cutter and a special apparatus for soldering.

Useful advice! The exact list is compiled based on the requirements of the project. The list should be checked to reduce the time for shopping trips.

Do-it-yourself heating in a private house from polypropylene pipes: features of individual works

To connect the structure you will need a "soldering iron". This device can be rented along with a set of nozzles. They are inserted into the holes of the heating element and turn on the power supply. Polymer parts are heated, removed from the nozzle and joined together without excessive pressure and geometry distortion. All time intervals and other parameters must comply with the work instructions.

• Heating temperature, °C - 260.
• Outer diameter, mm - 20.
• Heating time, s - from 4 to 5.
• The interval from the moment of separation of the product to attachment to another heated surface, s - from 3 to 4.
• Exposure during which the material will lose plasticity, s - from 100 to 120.

Reinforcement of polypropylene pipes with fiberglass does not create additional difficulties when connecting parts. They can be cut with an ordinary hacksaw for wood. If there is an inner layer of aluminum, it is necessary to make the edge very even. For this, a special tool is used.

According to professionals, polypropylene pipes are suitable for heating. Their advantages will be fully utilized, given the information discussed above.

Professionals create connections quickly and accurately. Newbie needs to practice

To reduce the cost, you need to carefully study the features of the project. Where there is free access, products can be used cheaper, made of polypropylene without reinforcement. For a complete analysis, consider:

• different types of products;
• installation technologies;
• compatibility with modern heating systems.

The total costs should be added to the operating costs. Be sure to check the service life declared by the manufacturer.

Secrets of installing polypropylene pipes (video)

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Hydroarrow: purpose, principle of operation, calculations

Increasingly, when installing water supply or heating in both apartment buildings and private houses, craftsmen prefer not metal pipes, as it was before, but polypropylene pipes. And this is not surprising, because such material is definitely more convenient to install. This fact allows you to perform all the work even for a person without any specific knowledge or experience. At the same time, you can make heating in a private house from polypropylene pipes with your own hands even alone, without resorting to anyone's help. Today we will consider how such work can be done, how difficult it is and what is needed for this.

Read in the article:

Polypropylene pipes - their advantages over metal

Previously, when installing heating with metal pipes, there was a problem with bends. I had to make an additional threaded connection in the form of a knee, which is not very good. After all, the more individual parts, the more vulnerable the design. Of course, it was possible to bend the pipeline at the desired angle, but without special equipment, such actions were difficult to perform. There was a danger of fracture, which entailed a loss of pressure in the system. Another problem was corrosion, which over time made the metal unusable.

Now, if heating from polypropylene pipes is installed, these problems do not exist. This material easily bends in any direction. Of course, this does not mean that you can do whatever you want with it, you need to know the measure in everything.

Regarding fittings (connections), we can say that their quality is much higher than that of metal ones. With the right approach, a soldered joint or elbow will last no less than a solid pipe. In other words, you should not be afraid to make connections. The main thing to learn for installing heating with polypropylene is the possession of an iron (a device for soldering pipes and fittings). This is quite simple and will not be too difficult.

An advantage that cannot be ignored is the fact that this material is not subject to corrosion, which significantly increases the service life. Many experts say that high-quality soldered heating from polypropylene pipes can be called eternal.

Types and characteristics of polypropylene pipes for heating

To date, the manufacturer offers a fairly wide range of such products. It is imperative to pay attention to this when purchasing - after all, design differences also affect the operating conditions of polypropylene pipes. Such products can be either single-layer or multi-layer. Let's start with single-layer ones, as the simplest ones. They may be labeled:

1. PPH- this is the simplest type used for the installation of industrial pipelines, as well as cold water supply.
2. PPВ– A slightly more complex type. These pipes are suitable for heating installation, which also does not exclude their use in cold water supply systems.
3. PPR- The scope of these pipes is already a little wider than the previous ones. It is allowed to use in systems not only cold, but also hot water supply.
4. PPs- the most complex in composition. Permissible temperature limit - up to + 95 ° С. Similar pipes can be used even in steam rooms. Of the shortcomings, a rather high cost can be noted.

Reinforced polypropylene pipes for heating are called multilayer pipes - fiberglass or aluminum is laid between the layers of plastic. Such plumbing products can already be bent, although they cook no worse than single-layer ones.

Reinforcement can be as follows:

• external - solid aluminum;
• external - perforated aluminum;
• internal - aluminum sheet;
• internal - fiberglass;
• composite materials.

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In the article, we will analyze in detail the main selection criteria, what types of pipes exist, their advantages and disadvantages, how and how to insulate the heating system, professional advice.

It should be understood that external reinforcement makes soldering the pipeline rather difficult (the coating at the welding points has to be removed), which means it is better to pay attention to products with fiberglass or composites.

Which propylene pipes for heating are better, of course, everyone decides personally, but if you pay attention to the characteristics, then there are no competitors reinforced with fiberglass. Indeed, in this case, the product, in principle, cannot delaminate. The reason for this is that the fiber is literally soldered into polypropylene during manufacture, and does not stick together with layers, as happens with an aluminum layer.

Standard sizes and diameters of polypropylene pipes

The main thing to understand if it is decided to replace the heating main in the house from metal to polypropylene is the difference in external dimensions. It is the inner diameter that must match, while the outer one will be different. This happens due to the fact that the walls of polypropylene pipes are thicker than those of steel pipes. When distributing heating in houses, products with a cross section of 32 to 40 mm are most often used. If we are talking about, then in this case 16 mm is enough.

“The inner diameter of polypropylene pipes for heating a private house, presented on Russian shelves, is always identical to the cross section of old steel pipes. This is done for the convenience of replacing old communications.”

There is another nuance that should be considered when purchasing such material. The size of the PP pipe is usually indicated precisely by the outer diameter, which means that it is very easy to make a mistake. As a result, you will either have to go back to the store and change pipes (if possible), or pay money again and purchase what you need. To prevent this from happening, you need to do the following. Knowing the required internal size, it is required to clarify the outer diameter of the PP pipe and subtract two wall thicknesses from it. This is how we get the data we need.

The average price of propylene pipes for heating in Russian markets

On the shelves are several major manufacturers of propylene fiberglass reinforced pipes for heating, the prices of which, by the way, are quite reasonable. The cost, like any other product, depends mainly on the brand. The quality of almost any of the market leaders is quite acceptable. Of course, this does not apply to polypropylene pipes sold at too low a price. In general, if there are such products on the shelves, the cost of which is lower than the average at times, you should be wary. Now there are quite a lot of fakes, the quality of which can be very unpleasantly surprising not only during the installation process, which is not so scary, but also during operation. Agree, it’s rather unpleasant if the pipes leak at the most inopportune moment. Although hardly any moment for the accident can be called appropriate.

Let's try to consider the average prices per meter of polypropylene pipes for heating in Russia.

Here are the five main manufacturers represented on our shelves. But after all, pipes alone cannot be dispensed with during installation, and therefore it is worth knowing the prices for fittings. There are a lot of them, which means it makes sense to consider only 90 0 angles as the most popular. The price is for a pack of 10 pieces.

This is the average cost for such products. If we talk about those who have already replaced ordinary iron pipes with polypropylene ones, it will not be uninteresting to look at their reviews:

Chivas, Russia, Rostov-on-Don: Two years ago I decided on my own to make heating in the house, wiring to batteries and connecting to a gas boiler (already having little experience in this). I settled on Turkish-made reinforced polypropylene Kalde for hot water, because it was something to say “at a good price”, before that I had dealt with “Pilsa”, but unlike it, “Kalde” soldered a little better, and much less stink when soldering . When everything was soldered, I decided to test it for strength, so to speak. When tested under water pressure of 2 atmospheres and a temperature of +70 degrees, the pipes almost did not deform, all adhesions remained dry, did not bend anywhere and did not lead. They have been working for the second season, for a low price - I am satisfied!

Read more on Otzovik: http://otzovik.com/review_722036.html

valer1234, Ukraine, Kolomyia: Experience with the products of this manufacturer for about 8 years. I first encountered them when I was rebuilding my house and I had to change the plumbing and heating pipes. Then there was a small choice of manufacturers, but fortunately I chose these. Although at that time I did not really understand this, my intuition, along the way, did not let me down. When soldering, this pipe behaves very nicely - it heats up slowly and cools slowly ...

Read more on Otzovik: http://otzovik.com/review_3159924.html

Of course, the reviews of professionals about polypropylene pipes for heating are not as enthusiastic as those of beginners, but still they admit that they are really easy to install and durable.

How to do heating in a private house from polypropylene pipes with your own hands: step by step instructions with photo examples

The laying of heating mains does not raise any special questions, and therefore it is necessary to consider the soldering process itself step by step. In addition, if the welding of any polypropylene pipes of various types is the same, then the preparation for this process for aluminum-reinforced pipes, both inside and outside, has its own nuances. We will now try to identify them.

Photo example	Action to take
	Here is the outer layer of aluminum that needs to be removed in order for the soldering to be strong and of high quality. Otherwise, the elements will not weld together, which is fraught with leakage.
	It is with this device that the outer layer is removed.
	We put the stripping on the pipe and turn it several times until the aluminum layer is completely removed. This is how the pipe ready for soldering should look like
	We dress both parts (corner and pipe) on a heated iron ...
	... then we press them all the way. Heating time - from 3 to 8 seconds, depending on the diameter
	After removing the parts from the iron, we insert the polypropylene pipe into the corner until it stops and wait 3-5 seconds.
	After that, the connection is ready for use.
	As for the polypropylene pipe with internal aluminum reinforcement. The photo shows: on the left - external reinforcement, on the right - internal
	For internal reinforcement, there is another stripping. The actions are the same as with the previous pipe, but ...
	... it works a little differently. By removing part of the internal reinforcement, such stripping allows the pipe to be soldered in such a way that water does not have access to the aluminum layer. This eliminates the risk of moisture getting between the layers of the pipe.

If the reinforcement is made with fiberglass, the pipe does not require any special preparation before soldering. As it becomes clear, do-it-yourself installation and welding of polypropylene for heating in a private house is not a very complicated process and even a schoolboy can master it.

Important! When working with an iron, you must be very careful. Its surfaces are heated to high temperatures, which is fraught with burns. It is best to work in tight gloves with leggings.

Theoretical tips for soldering polypropylene pipes and fittings

The best solution before starting installation work on heating in the house will be a little training. To do this, you need to take into account the stock when purchasing the material. It is better to buy 10-15 cheapest fittings and 2-3 m of pipe for this very purpose. Having cut pieces of the pipe with special scissors and heating the iron, you need to try how well the welded joints turn out.

Important! When combining the pipe and fitting after heating, you should try to connect them as evenly as possible. Only in this case, the soldering will turn out to be tight, and the line neat.

You should not save on polypropylene pipes by buying those that are reinforced with aluminum. Especially if there is no experience in such installation. It is better to purchase fiberglass polypropylene pipes. They are much easier to weld. Also, do not forget that when heated, polypropylene expands, which means that you cannot mount the fitting point-blank to the wall. It is better to leave a gap of 2-3 cm. This will allow the pipe to "play" when heated.

Do-it-yourself welding of polypropylene pipes, although not difficult, requires complete concentration, attentiveness and accuracy from the master. Only in this case, the heating will be performed as intended.

If anything remains incomprehensible, we suggest watching a short video on how to solder polypropylene pipes:

Overview of heating installation schemes: various options for heating wiring in a private house

The main heating systems in the house are single-pipe and two-pipe. Although some masters, with too large areas, also offer a three-pipe system, we will not consider it because of the complexity and rather rare use.

The simplest and most common is the one-pipe system. Its only drawback is that it is not applicable with a large number of radiators. Such schemes for heating wiring include "Leningradka". The problem is that if the distance and number of batteries between the first and last radiator is large, then the temperature difference between them will be quite sensitive.

A slightly improved version of the same one-pipe system is a scheme called the “Tichelmann loop”. However, it does not completely save the situation if the area of ​​\u200b\u200bthe private house is large. In this case, a two-pipe system is used. With all its positive qualities in terms of heating, it also has a negative side - the required pipe length increases by 2 times. We talked about the schemes for installing single-pipe systems with polypropylene pipes, as well as two-pipe ones, in one of our articles.

In general terms, of course, it is best for a novice master to work on a single-pipe system - it's quite simple. But even if there is no experience, and the area of ​​\u200b\u200bthe house is large enough, it is quite possible to install heating with polypropylene pipes using a two-pipe system. To do this, you just need to study a little more information on this topic.

“Before starting work, it is necessary to draw up a draft of the future system. This will help not to get confused in the intricacies of highways, and in the future - in a timely revision to avoid accidents.”

Only by fully understanding all the schemes of the systems that exist (there are very few of them), you can decide how the distribution of polypropylene pipes in the house will be arranged.

Some tips for laying polypropylene pipes when installing heating

Surely everyone understands that do-it-yourself installation of heating with polypropylene pipes consists not only of drawing up a wiring diagram and welding of line parts. It is very important to fix the pipes properly on the wall, under the floor or behind the false ceiling. After all, everything should look aesthetically pleasing.

Important! In no case should heating pipes be allowed to overlap one another. This will significantly reduce their service life and can cause an accident.

Installation of PP pipes is carried out on plastic "clips" of the required size, which are attached to the surface using self-tapping screws or dowel-nails. It is possible to connect the "clips" to each other in several pieces for the convenience of the installer. Polypropylene itself is most often hidden in niches under the floor, although walls and ceilings are also a good option. The main thing is the free space around them, which will allow you to “play” during the heating process.

The information obtained from reading the articles is, of course, important. But it's usually easier to see an example that you can look at. That is why we offer to watch a video on how to install polypropylene pipes with your own hands using the example of hot water supply, which is almost the same:

Well, to consolidate the information received, another video about welding polypropylene pipes:

Connecting a heating radiator to polypropylene pipes and how to do it

If the home master has already dealt with the soldering iron and can weld the pipe with the fitting, then he should not have a question of how to connect the heating radiator to the polypropylene pipe. However, we will go through it step by step.

If the line has already been connected to the place where the radiator will be installed, we hang it in place and try on how long the pipe sections are needed for connection. We solder fittings with brass threads to them using an iron. If necessary, ball valves can also be purchased, which will regulate the heating temperature of the radiator.

For your information! Shut-off valves play another very important role. If it is necessary to replace the heating radiator, it will not be necessary to block the entire system. It is enough to close the supply and return, after which it is free to dismantle the battery and replace it.

When the pieces of polypropylene with fittings are ready, we commute them with the heating main and fasten the radiator - that's all. The main thing before tying the heating radiator with polypropylene pipes is not to forget to mark all the lines. This moment is very important - after all, it will help you not to get confused in the future during installation and routing on the collector.

Summing up

Most often, home masters say that they cannot do this or that work when they are simply afraid to take it on and this is the main mistake. You need to believe in yourself (not to be confused with self-confidence). Realizing that there is nothing super complicated in working with polypropylene pipes, you can easily mount any, even the most complex heating. After all, it is not the gods who burn the pots, and everyone once did it for the first time. And therefore, it should be remembered that the main thing is the strict observance of instructions and rules, accuracy and extreme attentiveness. It is in this case that polypropylene heating will give warmth to you and your loved ones for many years to come.

We hope that today's conversation was useful to someone. If you have any questions, we are always happy to answer them in our discussions.

And finally, another interesting video.

Video review: how to connect a heating radiator with polypropylene:

The heating scheme from polypropylene pipes of a private dwelling can be developed by its owner without the involvement of specialists. There are no particular difficulties in designing such systems with your own hands.

This is the very first question to be solved by everyone who is interested in a polypropylene heating system. There are two types of wiring - top and bottom. In the first case, the pipeline (supply) is laid in the attic or under the ceiling surface. And the risers go down from him. Heating devices are connected to them. The return pipeline at the top wiring is laid in the cellar of a private house or on the floor.

Upper wiring of polypropylene pipes in the house

When arranging such systems, pay attention to the following important tips:

1. In the attic, you should definitely install an air vent with your own hands, which will automatically bleed air from the heating system, and a special expansion tank. The latter is necessary to protect the pipeline and equipment from pressure drops.
2. It is allowed not to use the circulation pump.

With the lower wiring diagram, both pipelines (return and supply) are laid under the ceiling of the cellar or along the floor of the basement (first) floor of a private house. Moreover, the pipes are laid parallel to each other. Such a scheme is used for a separate supply of hot water to each heating riser.

The distribution of polypropylene pipes is carried out horizontally or vertically. The first installation scheme is implemented if the house has one main riser, from which two- or one-pipe horizontal floor-by-floor branches depart. Such systems are typical for small commercial buildings and private dwellings with 2-3 floors. In recent years, they have also been used in the arrangement of heating high-rise buildings. At the same time, a separate branch of the pipeline is started for each apartment.

The layout of the horizontal type is perimeter and radial. With a perimeter scheme, heating is carried out from the main riser. Moreover, the coolant within a separate apartment (or an entire floor of a residential building) moves in stages. This creates certain inconveniences. It is necessary to disconnect the entire perimeter of polypropylene pipes from the coolant if it is planned to repair or replace a separate heating apparatus (battery) with your own hands.

The perimeter installation system is good because pipes can be laid in the floor using hidden technology. But here it is worth understanding that the wiring (absolutely all) is located on the same level horizontally. This means that it will be very problematic to drain the coolant from a separate perimeter.

Perimeter installation system for polypropylene water pipes

With beam wiring, polypropylene tubular products are sent to separate rooms in the apartment (to each). In this case, the system is also powered by one central riser. The merging of individual beams of the main line is carried out near the main riser in a special comb (it is mounted without problems by hand).

The advantage of beam installation is that it is allowed to turn off only one heating branch if it is necessary to repair the system. The remaining rays continue to function, heating the rest of the rooms.

The beam scheme involves the installation of polypropylene pipes in the floor base with their obligatory pouring with a concrete screed. It is clear that it is difficult to do maintenance of such a design in a private house with your own hands. If any pipe fails, you have to open the screed.

Such problems do not arise when installing vertical wiring (it is often called classical). It is ideal for 2-3-story houses. There are several heating towers in this case. They carry hot water from floor to floor. At any time, you can replace or repair any one riser with your own hands, without touching the rest.

Heating lines made of polypropylene pipes in the house can be single-pipe and two-pipe. In the first case, all heating devices in a private house are connected in turn to the main pipe. The minus of the scheme is the poor heating of the batteries at the very end of such a heating chain. This is explained by the fact that hot water is cooled while moving along the highway.

Single-pipe systems are mounted in small dwellings. Moreover, living rooms are always connected to the riser first. And then all the premises for technical purposes.

For a large private house, a two-pipe system is more suitable. In it, the return and supply lines are laid in parallel. Due to this, all heating batteries receive a coolant with the same temperature. Naturally, during repairs, only one riser can be disconnected from the system. The rest of it will work as before.

Two-pipe piping system

When installing two-pipe lines with your own hands, it is advisable to design a lower one-sided connection of the system elements. This is easy to do with the help of special fittings with a special temperature controller. It will give you the opportunity to set a comfortable microclimate in all rooms.

It is quite possible to create a high-quality heating system from PP pipes with your own hands. But be sure to take into account the following recommendations:

1. Polypropylene products Dn 20x3.4 are connected to metal-plastic pipes with dimensions 16x2, Dn 25x4.2 - to pipes 20x2, Dn32x5.4 - to 26x3.
2. It is undesirable to use PP pipes with parameters greater than 20x3.4 when implementing a two-pipe heating scheme powered by a pipeline (main).
3. The maximum length of the branch supplying the coolant from the last battery to the heating boiler is 25 m. If the length of the line is longer, uniform heating of the radiators is not possible.

High-quality heating system from PP pipes

Note! All work on connecting PP pipes with your own hands must be done using soldering special devices. Such tools are designed specifically for soldering polymer products. Others cannot be used.

One more moment. The first soldering of polypropylene pipes usually causes some difficulties for home craftsmen. Therefore, experts advise to train in front of her. Get inexpensive pipes, try to connect them with a soldering tool, fill your hand, and only after that proceed with the installation of the heating system.

When installing a heating circuit in a private house, polymers, in particular polypropylene, come to replace heavy metal pipes. This is explained by its excellent quality, a fairly large assortment, and optimal technical characteristics. To create an ideal climate in the house, you need to apply polypropylene pipes correctly. Therefore, it is necessary to know the requirements for the heating system itself, the properties of the material, to study popular schemes and the feasibility of their use.

Schemes of heating systems based on polypropylene pipes

There are two basic schemes for installing heating from polypropylene pipes in a private house - one-pipe and two-pipe. The former is most often used because of its simplicity. Here, the coolant is both supplied to the radiators and leaves them through a common collector.

Depending on the orientation of the line, the system can be horizontal or vertical. Water through the polypropylene circuit will circulate naturally. In order to prevent such a situation when it is too hot in one room and cool in another, bypasses are installed on the batteries, equipped with adjustment taps. Experts call this wiring “Leningradka”.

The two-pipe system is distinguished by the presence of a supply system and a return. It is used in large private houses with several floors. If we compare this scheme with a single-pipe counterpart, then its installation is more expensive, but it also has many advantages:

1. The water supplied to each radiator is approximately the same temperature.
2. Heat is distributed along the contour more or less evenly.
3. The temperature setting can be adjusted.
4. High degree of reliability.
5. When one radiator is repaired, the rest of the system continues to function.

They practice a two-pipe heating scheme, both with the lower wiring and with the upper one. The first option is used if you need to hide the pipeline. The pipes are laid on the floor, and two outlets connect them to the batteries from below. The heat loss here is high and without a circulation pump it will be cold in the house. To make heating as efficient as possible, you must comply with the mandatory conditions.

Piping of heating boilers

There are two options for boilers - floor and wall. Connecting them has its own characteristics. The piping scheme common for all types of boilers includes:

• boiler;
• radiator;
• ball valves;
• nuts fixing the boiler;
• cleaning filters;
• thermal heads for batteries;
• tees, corners;
• Mayevsky cranes;
• different valves;
• measuring instruments;
• circulation pump;
• distributors;
• fixture.

The piping scheme in the case of a wall-mounted boiler can be exclusively closed, since these boilers are autonomous. The floor boiler must not be placed at the top of the wiring, as it does not remove air. As a result, air pockets will appear. Most wall-mounted boilers have air vents, so they release air masses on their own.

When tying a gas boiler with a polypropylene circuit, a large number of connections should not be allowed. The main condition is the presence of a rigid joint at the place of gas supply to the unit. A feature of a solid fuel boiler is the lack of a heat supply adjustment function. When forced circulation is turned off, pressure will increase and the system may fail.

In such cases, there are emergency schemes. One of them is the installation of an automatic bypass. When the pump is running, the coolant flows through it, and the bypass is closed. When the pump stops, the fluid flow is redirected and passes through the bypass. For heating circuits mounted in a private house made of polypropylene with a circulation pump, the feasibility of using and the parameters of the latter are determined by hydraulic engineering calculation.

Polypropylene pipes in convection systems

Convection systems made of polypropylene pipes are very popular. The reason is the ease of processing the material, resistance to freezing, high tightness, low thermal conductivity.

In "pumpless" closed systems, when heated, a lot of oxygen is released from the water. If the line is made of steel pipe, it will very quickly become covered with a layer of rust. Polypropylene products do not have this drawback. The directional flow moving along the polypropylene sleeves does not encounter significant resistance. No deposits form on the walls of the PP pipes.

Gravity heating system

The classical gravitational system develops:

• from the boiler;
• tank;
• pipes;
• radiators.

Its advantages include energy independence, self-regulation, reliability. There is an opinion that polypropylene pipes are not suitable for arranging such a system, but this is not so. Just when installing, you need to comply with some conditions:

1. Spill over the entire length must be carried out under a uniform slope.
2. After the boiler, an accelerating section of a small length, called a collector, is needed. Here the water picks up speed and continues to circulate further. It must be decorated with a piece of steel pipe so that the coolant is cooled.
3. The radiator must be located as low as possible, at the same level as the boiler.
4. The solid fuel boiler is installed at a slight slope. The pipe is welded into it in the uppermost corner.
5. The outlet pipe is also mounted with a slope at the lowest point.
6. Taps with maximum flow are connected to radiators. This will nullify the losses, and circulation will occur through all the batteries.

If the plans include a floor heating device, a gravity pumpless system is formed for the radiator, and a separate loop with a pump is arranged for the floor. Since the system has limited pressure, it will not be able to push through additional complex contours in a natural way.

Materials for the device of the heating system

The optimal diameter of a polypropylene pipe for distributing a single-pipe system in a private house is 20 mm, for risers - 25 mm. For a two-pipe system with more than 8 radiators, a polypropylene sleeve with a diameter of 32 mm is used. Fittings are selected for the section of pipes so that their inner diameter corresponds to the outer diameter of the line. They must be from the same manufacturer as the pipes and with the same markings.

High-quality connection of polypropylene elements is obtained only by welding. Use a welding machine or a soldering iron. Foil-reinforced pipes are suitable for high-temperature systems, fiberglass-reinforced pipes for low-temperature systems.

The first mark PN 25. They are designed for a pressure of 2.5 MPa. Working pressure for PN 20 -2 MPa. In any heating system on radiators, Mayevsky taps are needed. They are cut into the top of the battery. The holes at the bottom are closed with a stopper.

Fittings are used as transitional elements for connecting radiators in heating systems made of PP pipes. These include:

1. Couplings. They connect two identical pipes.
2. Branches.
3. Crosses. For branching on two sides.
4. Adapters. Necessary for joining elements with different diameters.
5. Tees. Form one-way branches.
6. Fittings. Needed to connect a hose to a flexible hose.
7. Plugs. Installed at the end of a polypropylene pipe.

Polypropylene hose fittings are environmentally friendly and durable. If properly maintained, they can last up to 50 years.

Features of materials that need to be considered during installation

In order for the system to function correctly, some features of the PP hoses must be taken into account during the installation process. One of them is linear expansion. This phenomenon causes a change in external and internal temperatures. As a result of heating, the plastic sleeve begins to sag. Linear expansion is compensated by the correct laying of the pipeline, which guarantees its freedom of movement within the limits of the linear expansion value.

For this, fastening clamps, compensators are used, the design of which includes both movable and fixed parts. Sometimes sagging can be eliminated by chasing the wall and laying sleeves in it or installing additional clips. If these actions do not help, radical measures are taken - they disconnect the sleeve in the area of ​​\u200b\u200bthe "Americans", cut off the sagging section, solder the American, then twist it.

Polypropylene pipes are new opportunities

PPR products have optimal technical characteristics. They open up new opportunities for owners of suburban housing, where the heating system is powered by boilers. Their use reduces the complexity of installation. This option is not only economically beneficial, but also reliable.

Each person understands the word comfort in his own way, but warmth is necessary for everyone. You can provide them with your home without large capital and time costs, using polypropylene pipes, and awareness of heating issues will allow you to make the right decision.