Geyser with automatic temperature control. How to choose a geyser: selection guidelines and rating of the best models

Water heater flow type Ariston Fast Evo 11B received relatively small physical dimensions. It can be easily mounted on the bathroom or kitchen wall. The device runs on batteries, so it does not depend on electricity. Switches provide comfortable control. The device cannot overheat due to the presence of special protection. There is a flame control sensor, and the maximum water heating temperature is 65 degrees. It is worth noting the open combustion chamber. The water heater will perfectly fit into the interior of a modern home.

Pros:

• Simple and intuitive instrument control.
• Compact model with attractive design.
• Quiet and efficient geyser.

Minuses:

• Doesn't light up fast enough.

1 Ariston Gi7S 11L FFI

The gas water heating device has gained popularity in recent decades due to the age-old problems with water supply in small towns and villages. The column, according to experts, is one of the most economical options in such a situation. Which of the models sold better in 2016 and collected more positive feedback from people, this article and video will tell.

Advantages of a gas column

Good things are easy to get used to. Today's housewives are reluctant to use cold water for domestic purposes: washing dishes, of course, is more pleasant in warm water, but for hand wash it is advisable to heat the water not in a huge "boiling" on gas stove. One of the most economical options for homes where there is no hot water supply is an instantaneous gas water heater. It has earned positive reviews from people for several features:

• Heating water with gas is cheaper than electricity;
• Easy to operate and safe;
• Not inferior in performance to storage water heaters - boilers;
• Can simultaneously serve 2-3 points of water flow;
• Heats water even if the electricity is turned off.

A gas water heater is more economical than an electric one

Modern - not harsh units of the 70s of the last century, which were installed in many "Khrushchev". They have had manual control, were kindled with matches and “saluted” with water when trying to dilute an overly hot stream. Them today's descendants more advanced and comfortable, but also have many individual features. Gas water heaters differ in several ways. You should pay attention to them when buying a unit:

1. Power.
2. Ignition type.
3. Burner type.
4. Gas pressure in a gas pipeline.
5. Compatibility with water pressure.
6. Type of removal of combustion products.

Geyser parameters: gas pressure and power

The power of the unit can be in three ranges: 17-19, 22-24 and 28-31 kW. Depending on it, you can give hot water to two or more points in the house. For example, with the lowest range without heat loss, it will only be possible to wash the dishes or take a shower, but not both at the same time. To do this, the column must be more powerful. An important role is played by the water pressure in the system. In a city water supply, according to standards, it should be 4 atmospheres, but in reality it can range from 2.5 to 7 atmospheres. If you have your own well, the pressure creates a pump with a given power. The bottom line is that when high pressure water, even a high-power column may not have time to heat it. A small pressure will not ignite the burner.

How is the gas column

The gas pressure in the system is a very important part of the purchase. gas appliances are gaining popularity. If you and a dozen of your neighbors get gas water heaters and / or individual systems gas heating, the system in your house or on your street may no longer meet the standards. The cross section of the supply pipe simply will not allow you to create the necessary pressure. The burners will go out or not operate at full capacity. In this case, it is better to collectively contact the gas service of your locality or district in order to modernize the system.

Advice. In Russia, according to the standards, the gas pressure in the network is 13 mbar (against 20 in European countries). When buying a European-made device, find out which gas pressure scale is applicable for a particular model and whether it has a pressure stability control gas reducer. If the water heater is not suitable for Russian standards, he will not be able to gain the necessary power.

Geyser parameters: types of burner, its ignition and waste disposal

The burner device is the element that, when working properly, is able to save gas, and, accordingly, your money. With a constant power burner, you manually control the gas supply. For example, to keep the temperature at the same level when the water pressure changes. Not very convenient, but the pressure does not change so often. The burner with modulating power will adjust itself to the pressure and independently maintain the heating temperature set by you.

The type of ignition is what has undergone the greatest modernization compared to Soviet columns. Matches are not needed: the burner will be ignited by pressing the button (piezo or semi-automatic ignition) or without your efforts by the pressure of the included water from the mains or using a battery (automatic).

Geyser with piezo ignition

Automatic columns are more economical, because they light up only when the tap is opened. After turning off the water, special valves stop the flow of gas, and the burner goes out. In "semiautomatic devices" the igniter must constantly burn or the device will not work after turning on the water. The wick left in the standby mode is slightly, but “winds” the counter.

According to the type of output of combustion products, gas instantaneous water heaters are divided into:

• chimney - the corrugated sleeve is displayed in the ventilation passage or chimney available in the house;
• turbocharged - the output of the burnt gas makes its way straight to the street, in the wall. This is risky, since it is fraught with freezing of the outlet in frosts, then emissions will enter the dwelling. In addition, you need to regularly drain the remaining water so that the heat exchanger is not damaged.

Manufacturer and model selection

There are many offers on the market. Most popular in last years the following brands of geysers.

• The German company Vaillant makes unpretentious in operation, but at the same time productive long-lived units. Copper was not spared for the heat exchanger, and the body has a beautiful silver color, which harmonizes pleasantly with most kitchen sets.
• Junkers from the German manufacturer Bosch also have a stable demand in the domestic market, as they justify the quality.

Read reviews before buying a specific model

• Italian Ariston is a diversified brand. AND gas boilers this brand cannot be called the "stepchildren" of the company: they are highly effective and multifunctional. The nodes and parts in these columns are made of composite material for corrosion resistance and extended service life.
• Geysers of the Swedish company Electrolux have salient feature- comparatively not a large number of nozzles. This makes the device quiet.
• Termaxi instantaneous water heaters come from China, but the quality has received a lot of positive feedback. They are usually powerful.
• Italian-made Beretta speakers are also in demand. Among other things, because of the appearance.

Attention! When choosing a model, pay attention to its safety. In modern geysers, consumer protection methods are used. Among them are sensors for combustion, overheating, flow, low water pressure, a safety valve, temperature, traction and ionization sensors.

Gas instantaneous water heater: video

Gas water heater: photo

For us, residents of megacities, the annual summer shutdown of hot water supply becomes the strongest stress. It is enough to remember how much inconvenience it brings, especially if there are small children in the house. In order to become independent from utilities and not deny yourself water procedures look at water heaters. Let's see what water heaters are and how to choose optimal model for your house or apartment.

Currently on the market there are wide range of columns that differ in the principle of operation. There are electrical and gas models, flow devices and accumulative type. Today we will talk about gas flow columns. But do not be afraid, these are not the frightening devices that used to be found in the "Stalin", but modern appliances. They are safe and easy to use, and also have a stylish design.

As practice shows, gas models in their performance characteristics are in no way inferior to electric speakers, and in a number of moments even surpass them. For example, they are more economical, because gas prices are significantly lower than electricity prices.

Power

Housing material

Though enamel coatings are considered obsolete, they continue to be in constant demand among buyers, tk. such devices are cheaper. Stainless steel- almost "eternal" material. It has high strength and is not subject to corrosion. The only caveat is that rust may appear in the welds of the tank over time, but at the same time, stainless steel devices have a long service life and a stylish appearance.

Flame power adjustment

• with step and smooth adjustment;
• from automatic adjustment.

After setting the burning force of the flame, you can change the temperature of the water only by opening and closing the tap. But do not open it too much - you can get the exact opposite effect, because. column will turn off. Columns with flame modulation are deprived of all these shortcomings. After setting the temperature, it will be saved automatically. In geysers with modulation, you cannot change the water temperature by opening or closing the tap. In order to dilute hot water, you need to use a cold water tap, but it is better to reduce the combustion force - this will also reduce the formation of scale.

Water flow regulation

Some models of water heaters have gas reducers to maintain a constant gas pressure. But we must remember that in our country it is 13 mbar, which is less than in Western Europe where it reaches 20 mbar. Remember that the column must be adapted to Russian conditions, because otherwise it won't dial desired power.

Gas ignition

• piezo ignition;
• automatic spark from batteries or from a hydro turbine.

Ignition with a spark is convenient. When the tap is opened, the ignition, gas supply and fan are switched on automatically. After closing the water - the fan is turned off, and the gas is blocked. With active use of the water heater, the batteries last for about a year. To track their discharge, it is enough to pay attention to the corresponding indicator on the column body. To activate the ignition on devices with a hydroturbine, a water pressure of 0.35 to 0.45 ATM is needed, while the rest of the columns are already ignited at 0.2 ATM. Thus, with a weak pressure of water, it is better to choose water heaters with automatic ignition from batteries.

Control

Electronically controlled speakers are easier to use. Just a couple of clicks and the device is set up and ready to go. For additional convenience, water heaters are complemented by an LCD display, which displays all control processes and current settings. Of course, such columns are more expensive than mechanically controlled water heaters.

Security

• Combustion and ionization sensors. They instantly shut off the gas supply when the flame goes out.
• Overheat sensor. It prevents the heat exchanger from overheating and eliminates the risk of water burns.
• Traction sensor. It does not allow you to turn on the device with insufficient traction.
• Flow sensor. The device turns on only when the tap is open, otherwise it turns off automatically.
• Temperature sensors for cold and hot water to adjust the burning force.
• Protection against insufficient water pressure. It does not allow the column to turn on if the water pressure is insufficient for safe operation.
• Relief safety valve. It eliminates the risk of rupture of the heat exchanger in case of increased water pressure.

Water heating temperature

Summing up

• dimensions and installation method (floor wall);
• regularity of use of the column (only during the season of water cuts or all year round) and the number of water intake points;
• power and performance of the water heater;
• device price.

The last factor plays an important role, because the range of prices for gas water heaters is quite large. So spending.

Water heaters are necessary not only for residents of the private sector, but also for people living in apartments. Central water supply not always stable, the water supply is turned off to repair and prevent the system. In the summer, without hot water supply (hot water supply), it is difficult. Which geysers are better to choose in order to feel comfortable at any time of the year? What equipment to buy for installation in Khrushchev, a private house or modern apartment? To help you choose, we have compiled a list of the most best models according to users and experts.

Which gas column to choose? With some criteria you need to decide before going to the store. Look around your premises. Is it spacious or cramped? Is the wiring installed old or new? How long have the pipes been changed? Why the answers to these questions are important, you will now find out.

Device power. More powerful devices consume a large amount of electricity, so they require connection to thick wiring. It is worth focusing on the number of sampling points. So, a low power of 9-20 kW can provide one point of intake. Average 20–24 kW - two points. High 25 kW and above - two points with stable operation or three with pressure drops.

Combustion chamber type. Products open type are a classic design. The air that is needed to burn the flame is taken from the room. Therefore, it is important natural ventilation. The products of combustion are removed through the chimney.

closed kame ra provides for the installation of a coaxial chimney. It is based on the principle of a pipe in a pipe. Combustion products are removed through one tube, oxygen for combustion enters through the other. The safety of such devices is much higher. Therefore, they are preferable for installation in a residential area.

Ignition type. This important criterion on which the ease of use of technology depends.

• With auto ignition. The burner ignites when the mixer is opened. There are water and gas regulators on the panel, it is possible to have a display.
• With piezo ignition (semi-automatic). To start the burner, you need to hold the button. The cost of such models is lower, but in operation they consume a large amount of fuel.
• Manual ignition was used in older models. It is inconvenient and unsafe.

Security. When buying, pay attention to this criterion. The presence of flame sensors, thrust, temperature allows you to protect the device from damage, and the user - from poisoning. If the column fails, the sensors signal the control module, after which the operation is turned off.

Choice problems

Which devices are better - domestic or imported? Someone thinks that Russian and Belarusian speakers are the most reliable. The cost of products is much lower than imported ones, besides, they are easier to repair and find spare parts.

Foreign products are often assembled in our country from Chinese parts. Of course, this is much more profitable for manufacturers. It turns out that the client overpays only for the brand / brand, but the equipment is the same?

Another example in favor domestic manufacturer. Products adapted to normal operation in our "not normal" conditions. That is, the column can operate at a minimum system pressure of up to 0.1 bar. And this is true for residents of Khrushchev, where it is installed old plumbing. The most famous manufacturers are "", "", "Don". Staurolit and Vestal are also in demand.

On the other hand, if you turn to an official supplier, you can purchase high-quality imported equipment. Yes, it will cost more. Yes, in the event of a breakdown, you will have to order original spare parts. But reliable details, quality components and the materials will do the trick. Such a product can last more than 10 years. Much depends on the operating conditions.

Review of the best models of geysers

The review includes descriptions interesting models and user reviews about them. The rating is based on the opinion of experts and the demand for technology.

NEVA LUX 5514

Domestic flow heater has increased productivity - 14 liters per minute. The power is 28 kW and the minimum pressure for operation is 0.30 bar. Neva Lux 5514 has a mature design and a simple control unit. There is one temperature control knob on the body. Max level heating 90 degrees.

Protected for safe operation:

• Gas flow control.
• Thermostat. Protects against overheating.
• Safety valve to relieve excess pressure.
• Traction sensor.

The product has an open combustion chamber. Starting occurs with the help of electric ignition. The model will be able to provide multiple sampling points.

For the NEVA LUX 5514 model, you will have to pay from 8,000 rubles.

Sergei

Powerful and quality column. Suitable for hard water, I have been in operation for the fifth year. This is despite the fact that in the water there are impurities of sand that precipitate. So I added a filter. The assembly is good, it provides stable 2 intake points - in the kitchen and in the bathroom. Periodically I clean the heat exchanger, because not a single device can withstand such water for a long time. In general, I am satisfied with the work. One minus - the regulator cannot turn off the operation of the batteries. Pulling them out every time is inconvenient.

"Ladogaz" VPG 10E

The product is perfectly adapted to the Russian realities of operation. There is no igniter in the design, which makes it safe to use. The device will work even at a system pressure of 0.1 bar. Power 19 kW. Productivity 10 liters per minute. Maximum temperature heating +85 °С.

Peculiarities:

• The protection system includes: safety valve, temperature sensor, gas control, ionization sensor.
• The panel has two adjustment knobs and a display for temperature control.
• Electronic ignition.

The cost is from 7,000 rubles.

Elena

We chose HSV 10E of "our" production to provide hot water to the apartment. During my work I noted economical consumption gas, unlike the device with piezo ignition, which was before. Heats liquid quickly, good pressure. The body dimensions are very compact. We don't have a lot of space in our kitchen, so the design fits comfortably. If you value a domestic manufacturer, then choose Ladogaz.

Roda JSD20-T1

The Swedish trademark "Roda", but the assembly is Chinese. Despite this, users respond positively to this model. Power 20 kW, 10 l/min. enough to provide two points. Modern technology equipped with electric ignition. The flame lights up only when the mixer is opened, which saves electricity.

The work is designed for pressure from 0.30 to 8 atm. The structure is equipped with heaters. When the temperature in the radiator drops to +5 degrees, heating is turned on, preventing the product from freezing. Closed combustion chamber.

The Roda JSD20-T1 can be placed comfortably thanks to its slim design.

Price from 9 000 rubles.

Gennady

Absolutely satisfied with the purchased equipment "Roda". First, it works stably. The temperature is kept in the set mode, does not jump. Secondly, the compact body and neutral design. For those who are going to buy, I will inform you: this model is intended for installation in a private house. It connects to a coaxial chimney, which is not suitable for apartments. A friend tried to install it in an apartment, I had to buy a new device.

Hyundai H-GW2-ARW-UI307

The water heater from the Chinese manufacturer is equipped with a copper heat exchanger. Working power 20 kW, output 10 l/min. You no longer need matches, automatic ignition allows you to comfortably use the product. The burner is made of stainless steel.

There is a built-in 4D-Guard protection system:

• Traction sensor.
• Thermal sensor.
• Ionization sensor, pressure relief valve.

The toggle switch on the panel helps to smoothly regulate the flame in the burner. The presence of the display will help to control the heating temperature.

Price from 5,000 rubles.

Vladislav

Reliable durable housing H-GW2-ARW-UI307, does not heat up when turned on. The water is at a stable temperature, you do not need to constantly keep your hand on the tap to wash. I almost never use power adjustment, as I set it to the minimum position, it works. I do not understand how it differs from the temperature. For the price it's a great unit.

Superflame SF0120 10L

"Superflame" refers to the category of models with an average performance (17.85 kW, 10 l / min). The affordable cost of flow heaters makes them in demand among different segments of the population. SF0120 10L in a strict classic design will fit into any interior. The burner ignites automatically when water is supplied.

Electronic control. Available display and toggle switches. Installed thermostat to control heating, gas control. It is possible to adjust the flame in the burner.

Price from 4,000 rubles.

Ekaterina

My husband and I decided to change old column for more modern model. I liked "Superflame" with its design, it fits perfectly into the kitchen. Convenient ignition, batteries can be changed independently. A huge plus is that it consumes gas only when the mixer is opened.

Ariston Gi7S 11L FFI

Our review will not do without the cutting-edge technology presented by the Gi7S 11L FFI from the Marco Polo line. The exterior design of the column is mesmerizing - it is design decision classifies the device as a premium class. The device dispenses 11 liters per minute, which is enough for the full service of two points. Power 22 kW.

The closed type of the chamber allows you to effectively remove combustion products, more suitable for private homes. The flame level can be adjusted. Electronic control with a large informative display will help you set and maintain the temperature.

The system "Anti-freezing", protection against overheating is provided. The copper radiator has a high efficiency.

Price from 20,000 rubles.

Dmitry

Many complain about the heating rate, poor assembly. I will say this: do not fumble in the setting - do not take it. If a person does not understand the instructions, it is clear that fiddling with the device is a burden. The unit is designed for a separate chimney, preferably in own house. The temperature was set once in the region of 38–40 degrees. The heat is excellent, no need to mix. A family of 4 has enough hot water, all the households are overjoyed.

Bosch WR 10-2P

Universal flow heater will fit into any interior. The metal body includes a copper heat exchanger and a steel burner. On the panel there is a lever for smooth regulation of temperature up to +60 degrees. The column produces 10 liters of water per minute, the average power is 17.4 kW. It will function even at a pressure of 0.10 atm.

Semi-automatic piezo ignition helps the equipment to work stably, the igniter is always on fire. The device automatically turns off when overheating, an ionization sensor is installed. It can be connected to a common line or run from a gas cylinder. The device works quietly, which will not prevent the owners from spending time in the kitchen.

The cost is from 8 000 rubles.

Julia

I chose a water heater for a long time and settled onBosch WR 10-2P with piezo ignition. I met negative reviews that the radiator is flowing. I have been using the equipment for three years, no problems. It is necessary to clean the heat exchanger in time and not set a high temperature. I adjusted it once, and after that it consistently produces hot water. I recommend to buy.

Even the best, according to buyers, technology has its drawbacks and advantages. No wonder they say that best repair is prevention. If you have decided on the choice of brand of the device, we give several recommendations for long-term operation:

• To install the product, it is better to contact a specialist.
• It is not recommended to mix hot and cold streams on a mixer.
• Once a year, inspect the column nodes.

We wish you a good choice!

The gas instantaneous water heater allows you to organize reliable and efficient preparation of hot water. Gas supply today is available in almost every house, and the columns themselves are installed in many houses and apartments. Of course, the columns have a number of disadvantages, but in terms of their efficiency they are ready to compete with many other water heating equipment. How to choose a gas instantaneous water heater and what to pay attention to when buying it?

Modern industry has presented a variety of geysers to the choice of buyers, differing in their properties and functionality. They also have different characteristics and performance. Our review will help you understand all this. In it we will tell:

• On the advantages and disadvantages of gas water heaters;
• About the types of combustion chambers;
• On the choice of column performance;
• About flame modulation and temperature control;
• About types of ignition;
• About security systems;
• About the most popular types water heaters.

Using the information presented in the review, you can quickly choose the most optimal model for yourself.

Advantages and disadvantages of gas instantaneous water heaters

As we have already said, gas instantaneous water heaters have a number of advantages and disadvantages. In some ways, their use is quite justified, and in some cases it is desirable to use electrical equipment. Key advantages:

• Profitability - the use of gas water heaters allows you to spend less money on preparing hot water. Most of all, the savings are noticeable with intensive use;
• Powerful electrical wiring is not needed - electric instantaneous water heaters, if normal performance is needed, will require a separate supply line. You also need good grounding;
• They can work in non-gasified premises - for this you need to purchase a model with the ability to be powered by a gas cylinder.

There are also a number of disadvantages:

• Difficulty in installation and connection it is desirable that this be done by a specialist;
• The need for regular maintenance- you have to pay for it separately;
• Possible gas leaks - the high explosive nature of natural gas requires careful monitoring gas equipment. For example, a piezo ignition column must be extinguished when no one is at home;
• It takes time to heat up the water - the same electric storage water heaters hot water is available almost immediately.

Despite certain shortcomings, it is customary to install gas instantaneous water heaters in gasified houses - they are economical and able to provide several points of water intake with hot water at once.

Minus gas instantaneous water heaters is that their operation in some buildings is simply prohibited. Also, they cannot be installed in modern new buildings where there is no gas supply.

Types of combustion chambers

Water heaters with a closed combustion chamber, unlike gas water heaters with an open combustion chamber, use oxygen from the street to maintain a fire and do not need ventilated rooms.

The gas instantaneous water heater may have an open or closed combustion chamber. Both options have their advantages and disadvantages. Columns with an open combustion chamber are simple in operation and in their design. In them, the flame burns out with the admixture of atmospheric air from the room - it is taken from below, after which the combustion products are removed through the chimney. Columns with open combustion chambers are quite cheap, and do not require the use of special chimneys - the chimney that most apartments already have is enough.

Geysers with a closed combustion chamber can work without a house chimney. They also do not need ventilated rooms. They take air for their work from the street, and they also throw out combustion products there - coaxial chimneys are used here, which are a “pipe in a pipe”. coaxial chimney can be removed directly from the wall on which the water heater is mounted. The only requirement is that the nearest windows should be at least a meter away.

Such columns are safe, since combustion products are removed forcibly, using a built-in fan.

Speakers with closed cells combustion are more complex in their design. Therefore, they are more expensive. Also, for their operation, it is necessary to connect to a 220 Volt network - the fan installed inside requires a separate power supply. Another drawback creeps out of all this - if the electricity is turned off in the house, then you will be left not only without light, but also without hot water.

Performance and Power

For right choice capacity of a flowing gas water heater, determine the type and number of water intake points.

These two characteristics are the most important, since they directly determine how much hot water the selected water heater can produce. Performance directly depends on the power of the selected unit. For example, a 23-24 kW column is capable of providing water treatment up to 14 l / min with heating by 25 degrees. Such performance is enough for the simultaneous showering and washing dishes.

Want more economical option? Then take a closer look at low-power models, from 16 to 19 kW. They will provide preparation up to 9-10 l / min, this is enough for a washbasin with a kitchen sink or for a comfortable shower at any temperature. Want to provide hot water large quantity consumers? Then you need to look at gas water heaters with a capacity of 28 kW and above.

When choosing a geyser, you need to remember that their characteristics prescribe performance when water is heated by 25 degrees. If you need to increase the heating temperature by reducing the pressure, then the performance will be completely different. However, it is almost never necessary to heat water above +40 degrees - there is no need to force the water heater to work at the limit of its capabilities.

Temperature control and flame modulation

A gas instantaneous water heater should be easy to operate. That is, not only the level of gas supply, but also the pressure should be regulated here. Thus, it is possible to ensure the operation of the column even with reduced water pressure in the tap. It is also desirable to have a liquid crystal display that will display the water temperature at the outlet of the instantaneous water heater. In the absence of a display, the heating level will have to be adjusted “by touch”, which is fraught with burns.

Temperature control is present in all gas instantaneous water heaters. But flame modulation is not available everywhere. What is this option for? It will allow you to maintain the temperature of the water at the outlet of the gas column when the pressure of water and gas changes. For example, conventional speakers change the outlet water temperature when the toilet is flushed or when a nearby faucet is opened with cold water. The presence of flame modulation will allow you to keep the temperature at a given level.

Flame modulation works rather slowly, so it may not immediately respond to a sharp change in water pressure. Fortunately, this almost never happens. Also, columns with flame modulation are characterized by some slowness when temperature is set. But this is better than getting burned from excessive hot water when starting a conventional column. Therefore, our choice for the presence of flame modulation is a really useful thing.

Ignition type

How to choose a gas instantaneous water heater for this characteristic? To begin with, it should be understood that there are three types of ignition:

• Electric;
• Piezoelectric;
• Hydrodynamic.

Electric ignition is economical. It runs on batteries and generates a spark using a small electronic high voltage circuit. Columns with such ignition are safe, since they do not have a constantly burning igniter. Also, there is no additional gas consumption. But there are also disadvantages - you need to change the batteries regularly, since the reduced ignition supply voltage causes a start with a bang.

For normal operation of gas instantaneous water heaters with electric ignition, it is desirable to use powerful alkaline (alkaline) batteries.

Piezoelectric ignition allows you to get rid of buying expensive batteries - and this is a definite plus. In addition, it ignites the gas in the burner instantly, since there is a constantly lit igniter above it. But the igniter wastes gas, and leaving it lit in the absence of household members is unsafe. It also causes additional gas consumption.

Hydrodynamic ignition for work uses electric generator which supplies electricity different strength, depending on the pressure of the water.

Hydrodynamic ignition is the safest and most economical. Inside the columns with this type of ignition, a small generator is placed, driven by water. When the faucet is opened, water begins to flow through the blades of the generator, as a result of which it generates the current necessary to generate a spark. There is no additional gas consumption, you don’t need to buy batteries - solid pluses. The increased cost of the column with hydrodynamic ignition and the reduced reliability of the system are disadvantages.

Security systems

Everyone knows that natural gas is explosive. And its presence in the air adversely affects human health. Therefore, a good geyser must have the following systems security:

• Control of presence of a flame;
• Traction control;
• Heating limitation;
• Pressure sensor.

The flame detection system works on the basis of a thermocouple. The most advanced speakers are equipped with ionization control, which has a higher speed. If the flame goes out for some reason, the protection system will shut off the gas supply. It is also desirable to have a draft control system, which will prevent a gas explosion and leakage of combustion products into the room.

The heat limit prevents the heat exchanger from overheating due to incorrect settings. If the column has a water pressure sensor, it will not allow the column to continue to work in case of damage to the heat exchanger or leakage.

Most Popular Models

This column of the Russian company Neva received quite high user ratings. The device has a capacity of 11 l / min and a power of 21 kW. The column is equipped with an open combustion chamber, an electric ignition system, power and heating indicators, and a thermometer. Gas control is also provided. For its operation, the column requires batteries, from which the ignition system operates. The design of the device is very simple, and the price will please every buyer.

The water heater has received many user reviews, both positive and negative. The number of positive reviews exceeds the number of negative ones, which is already a big plus. Among the advantages we can include the undoubted simplicity of the model, the ease of adjusting the temperature and the presence of a thermometer. Of the minuses - a rather weak heat exchanger and bad job at low water pressure. But in general, this is a worthy device from the budget segment.

This is one of the best geysers from a renowned manufacturer. Her reviews for the most part positive - you can safely regard it as the best choice. Buyers praise the device for stable operation at reduced water pressure and ease of settings. Users also note the presence of such a useful option as monitoring the condition of the batteries. The appearance of the device is also pleasing - it is immediately clear that this is a completely modern gas instantaneous water heater.

The Electrolux GWH 265 ERN Nano Plus column has a power of 20 kW and a capacity of 10 l / min. It is equipped with an open combustion chamber, a pleasant control panel with an informative display, a thermometer, as well as numerous security systems. Also implemented support for the heating temperature at a given level. The ignition system is electric, battery operated. The minimum inlet pressure is 0.15 atm.

The best geyser from Bosch according to users. Anyway, she is very popular. If we compare it with other models, then we can note the efficiency of the device - with a capacity of 10 l / min, its power is 17.4 kW. There is no electric ignition here, but there is a simple piezoelectric ignition. It instantly ignites the burner, saving users from loud pops when the batteries are dead. There is no flame modulation on board, so households will have to periodically adjust the heating temperature.