Gasified facilities must have protection systems against possible gas leaks and fires. There can be many reasons for this, and one of them is a fire in the premises. A fire leads to an increase in temperature, which can reach the ignition limit of the gas and lead to its explosion. To prevent this, special valves have been developed to shut off the gas supply in the event of a fire.

Thermal shut-off valve: purpose

An automatic type of valve that shuts off the gas pipeline to all gas-fired appliances during a fire is called a thermal shut-off valve. This device reduces the risk of explosions, injury and physical damage.

The installation of KTZ thermal shut-off valves is regulated by the standards set out in the fire safety rules. They prescribe:

• Equip any types of highways natural gas, regardless of their complexity, branching and number of consumer devices, systems of temperature-sensitive control and supply cut-off.
• Use valves designed to operate when the temperature is reached as protective devices. environment one hundred degrees Celsius.
• Install thermal locking modules at the entrance to the room.

The valves are marked in the form of KTZ with a number after it. The number indicates the diameter of the gas supply pipe on which this valve can be installed.

Operating principle

The thermal shut-off valve consists of a body with a threaded connection, a fusible insert, a spring mechanism and an element (shutter) in the form of a plate or ball that locks the channel.

In the initial state at normal temperature indoors, the shut-off element of the valve is cocked and held by a fusible link. When a fire occurs, the overall temperature rises, reaching 85-100 degrees, causing the insert to melt and releasing the cut-off mechanism. The latter, in turn, under the action of a spring, blocks the gas movement channel.

Thermal shut-off valve (KTZ) can operate with any gases. After operation, it is replaced with a new one. It is possible to replace the fuse-link with another one and continue using the product.

Installation Rules

In order for the thermal shut-off valve to work reliably, you must adhere to the rules for its installation:

• Valves with threaded connections must be installed in lines with a pressure no higher than 0.6 MPa. The valves cannot withstand pressure up to 1.6 MPa.
• The flow capacity of the valve must be no less than the flow capacity of the gas line.
• It is necessary to install a thermal shut-off valve on the gas pipeline first, and then the rest of the fittings.
• KTZ must be installed indoors and protect fittings not designed for high heating.
• The valve axis can be located in any direction.
• The gas flow, the direction of which is indicated on the device body, should be taken into account.
• Installing the valve in places close to heating elements, where the air temperature near which may exceed 53 degrees, is excluded.
• The built-in thermal shut-off valve must be checked for leaks.
• After installing the KTZ, the pipes should not exert additional pressure on it, bending or twisting the device.
• Access to the valve must be free and unobstructed.

Conclusion

When purchasing a thermal shut-off valve, you should make sure that the channel shutoff mechanism has not tripped, which sometimes happens during transportation. If gas distribution is complex indoors and there are several fuel consumers located in different parts of the building, it is recommended to install several shut-off valves on each branch.

To achieve a comfortable temperature in the house, we manually control the work gas boiler. This regulation is very relative, since we set the coolant temperature on the boiler. As soon as the weather conditions change in one direction or another, as the temperature in the rooms decreases or increases, it is necessary to again regulate the heating of the coolant on the boiler. This applies to all gas water heating units, even expensive ones with high level automation. You can get rid of the daily run to the boiler room if you install an external thermostat for a gas boiler. Some boiler equipment manufacturers supply it with their products as an option.

How it works?

In a standard situation, the boiler system heats water to set temperature and does not react in any way to the fact that the house becomes hot or cold after a change in weather. Even daily changes in street temperature make themselves felt. The regulation of a gas boiler based on the coolant is indirect; in order for the regulation to be direct, it must be carried out based on the air temperature in the rooms. For small ones one-story houses It is enough to install one room thermostat in a passage room to solve the problem.

The simplest thermostat consists of a sensitive element, which is actuator, and contact group with the regulator. The thermoelement is a closed capsule (bellows), most often a mixture of gases is pumped into it, and less often liquid. The bottom line is that this filler is sensitive to changes in ambient temperature. As it increases, the gas mixture expands, stretches the bellows and moves the rod that closes the contacts. A decrease in temperature causes reverse process and the contacts open.

The task and principle of operation of the gas boiler thermostat is at the moment the required room temperature stop heating the coolant, and after it drops to the lower value, resume work. In the simplest circuit, the thermostat closes two contacts, the wires from which are routed to the heating installation and connected to the solenoid gas valve.

In the operating position, the latter is constantly open; when the thermostat contacts are closed, voltage is applied to the valve and it closes the fuel path of the main burner, the flame remains only on the igniter. After the temperature in the room has decreased, the voltage is removed from the valve, it opens the gas line and the burner is ignited by the igniter. With this operating scheme, the thermostat is connected to the gas boiler as shown in the figure.

How to connect a thermostat to a boiler

Types of remote thermostats

To maintain the required temperature in the rooms, the following regulators are used:

• A simple thermostat with a manual temperature indicator and a wired connection. Supplied with cables up to 30 m long.
• Regulator with display and programming capabilities, complete with wires for connection.
• The same, with a built-in GSM module for communication with a mobile phone.
• Autonomous wireless controller.
• External wireless thermostat for a gas boiler, allowing you to control its operation depending on weather conditions.

The latest type of thermostats is used in conjunction with an electronic control unit of a heating installation that has this function. Most leading foreign manufacturers provide this feature in their products. The weather-dependent regulator is connected to special contacts of the controller or communicates with it via a radio module. This method of regulation is considered the most effective, since the boiler installation responds to cold weather (or warming) even before the cold penetrates the house and the temperature in the rooms begins to drop.

You can set the required temperature in the house if you install a programmable thermostat for the boiler with a display. Depending on the manufacturer, the electronics of the device can be programmed a week or more in advance in order to different time the required temperature was maintained in the house for 24 hours. The function makes it possible to save fuel, since there is no point in fully heating the house when no one is in it. The same applies to the night time; during sleep, the temperature can be lowered by several degrees, and by the morning it can be raised again.

A thermostat with a GSM module can transmit information to your phone via text messages. IN gas boilers Wi-Fi modules are installed from leading European and South Korean manufacturers, with which you can control the operation of the unit via the Internet. Since the controller of such heating installations is connected to a room thermostat, it is possible to remotely change the temperature in the premises of the house via the network.

A new product has appeared in boiler equipment from some leading manufacturers. For remote control All functions of the unit have been developed with special applications installed on a smartphone.

Wireless thermostats for boilers are equipped with a built-in radio module for communication with the controller of the water heating installation. Ease of use and the absence of long wires are the main advantages of these devices. The disadvantage is that heating installations and thermostats are from different manufacturers may be incompatible with each other. Regulators connected to boilers using wires also suffer from the same drawback. The problem arose due to the abundance of different manufacturers of electronics and gas equipment. For this reason, you need to buy a device in consultation with a service specialist from the company that manufactures the boiler and thermostat.

Various additional automatic equipment for gas boilers, including thermostats, have an increasing number of functions, their range is constantly expanding. Some models with a large liquid crystal display can not only maintain the room temperature, but also control the gas burner device in conjunction with the boiler's electronic unit. On the display you can see the temperature values ​​of the coolant and outside air, and in the event of an emergency or minor malfunction, an error code will appear on the screen. Data electronic devices eliminate the need to frequently visit the furnace room to check the operation of the equipment.

Conclusion

The cost of thermostats cannot be called high, but with their help you can significantly save any fuel that is used in your boiler room to heat your home. At the same time, there is additional ease of operation of the entire heating system.

Some models of heating boilers are equipped with electronic circuits necessary to expand functionality and more convenient control of the microclimate in the house. The equipment turns out to be complex, but with a pleasing abundance of service capabilities - from automatic adjustment temperatures in the circuits before controlling external auxiliary units. An undeniable advantage is the ability to connect additional control modules. For example, a thermostat for a heating boiler will maintain the set temperature and provide convenient heating control.

What are room thermostats for?

Owners of simple heating boilers do not have to think about the convenience of climate control in the house. Most often, all adjustments on such boilers come down to one simple knob for selecting the degree of heating of the coolant - a simple scale with numbers from 0 to 9 is used here. autumn cold the equipment operates on one or two, and in severe frosts users set the knob to higher numbers.

Thus, the simplest thermostat is used here, focusing on the temperature of the coolant in the system. The required heating level is set manually, and then a simple thermoelement based on a bimetallic plate begins to work in the boiler - it turns on the ignition and supplies gas to the burner. This scheme is used in many simple models.

More advanced boilers regulate the temperature and degree of heating of the premises as follows:

Models with a remote sensor will regulate the temperature of exactly the place where the sensor itself is installed.

• By electronic sensor for monitoring the temperature of the coolant in the heating system;
• By remote air temperature sensor;
• By air temperature outside the premises;
• According to the sensor located in the remote room thermostat.

Weather-dependent sensors are used extremely rarely by consumers - people are accustomed to relying on their own feelings. Therefore, they choose to control the coolant temperature or control the internal air temperature.

A remote thermostat for a boiler is an external control module installed at any point in a household or apartment. It includes a room temperature sensor and controls. The main function of this miniature device is to monitor the set temperature based on the readings of the thermocouple. As the temperature drops, the regulator sends the command to turn on the heating to the boiler, and after reaching the set value, turns off the burner.

Thermostats for heating boilers also have additional functionality:

• Adjusting the temperature in the circuit hot water– not the most necessary regulator, but some models have it;
• Day and night assignment temperature regime– the equipment itself will lower the night temperature to the set level;
• Heating control according to a given program - the thermostat will turn the boiler burner on and off, based on pre-entered data. For example, we can program equipment a week in advance;
• Control of external equipment - these are indirect heating boilers, solar collectors and much more.

Thanks to their remote design, thermostats provide convenience for controlling the operation of a heating boiler, which can be located in any remote room - a kitchen, bathroom or basement.

The functionality of thermostats varies widely. The simplest modifications consist of a single adjustment knob with a mechanical scale. More complex devices are equipped with several regulators and electronic displays that display various data. Accordingly, the prices for such devices are higher - they are more advanced, giving users many service functions.

How thermostats for heating boilers work

The thermostat for a gas boiler is a full-fledged remote control panel. Judge for yourself - if the boiler is hanging in the kitchen, then in order to reduce the heating temperature, you will have to get up from the couch and visit the kitchen area. If the room had a thermostat installed, all you had to do was turn the knob or press the temperature decrease button. The worst thing is if heating equipment mounted in a hard-to-reach place - in this case, you simply cannot do without a remote control panel.

Programmable thermostats can set different temperature settings for day and night.

The basis of any thermostat for a heating boiler is a temperature sensor. It analyzes the air temperature in heated rooms, controlling the operation of the burner and other components. By setting the knob or buttons to +22 degrees, you can leave the equipment alone - it will ensure that the desired temperature is achieved. Whatever the outside temperature, the indoor temperature will remain at the same level.

A programmable room thermostat is more complicated - here we can set a specific heating operating program. For example, in the daytime we set +23 degrees, and at night we set +20 degrees (at low temperature your sleep will be stronger and healthier). We can also set the temperature in the hot water supply circuit or adjust the degree of heating of underfloor heating.

A more complex and advanced room thermostat for a gas boiler will be able to work with several heating circuits at once, providing separate temperature control.

Pros and cons of room thermostats

A thermostat for a heating boiler is just a convenient addition that provides temperature control and control of various service functions. This device is not a required component heating system, in some cases you can do without it. A room temperature regulator is convenient in large households and multi-room apartments, when the boiler may be located too far away - in this case the temperature can be adjusted, for example, from the living room.

Let's look at all the advantages of a thermostat for a heating boiler:

Once you set up such a device, you can enjoy a comfortable temperature in your home for a long time.

• Ensures compliance with the specified temperature regime - you can create a comfortable environment in your apartment or house without additional effort;
• Automation of the heating system - the programming function is responsible for this;
• The use of a thermostat will reduce the gas consumption of the heating boiler - thereby achieving savings on utility bills.

Unfortunately, there are some drawbacks:

• Wired room regulator for a gas boiler it requires laying a cable - this is easier to do at the stage of building a house than to lay it on top of the repairs made;
• Cost of equipment – ​​advanced thermostats are quite expensive. Otherwise, you will have to do without additional functions.

The shortcomings are not the worst, so you can put up with them. After all, you have to pay for convenience.

Main types of thermostats

A room thermostat for a heating boiler is a necessary and convenient thing. But there are so many of these thermostats on sale that it’s dizzying. Let's see how these devices differ from each other and what are the features of their operation in heating systems. First, let's discuss the division into electronic and mechanical models - by the way, the latter are noticeably cheaper, but inferior in functionality.

Mechanical models are simple and reliable.

A mechanical thermostat for a heating boiler is a temperature controller with the simplest internal device. Inside we will find a simple thermocouple based on a bimetallic strip (sometimes other types of sensors are used) that controls dry electrical contacts. The corresponding regulator is responsible for setting the temperature. Thanks to its simple design, the equipment is inexpensive. But there is no automation here.

Please note that the thermostat for the heating boiler and the room mechanical thermostat for the heating boiler are two different devices - the first is an internal unit of the heating equipment.

An electronic thermostat for a heating boiler is a more advanced device. Temperature control in it is provided by a precise electronic sensor that records temperature changes with an accuracy of tenths of a degree. The simplest modifications have a minimum set of functions - monitoring the operation of the heating circuit. More advanced models will delight you with powerful functionality:

• Control of the hot water supply circuit;
• Work according to the program;
• Working with heated floors;
• Date and time display;
• Day and night heating operating modes;
• Night lighting and much more.

Most of the thermostats for heating boilers on sale are represented by electronic models - “mechanical” ones are much less common in stores.

Wireless thermostats are very easy to install, as they do not require cabling.

Thermostats for heating boilers are divided into wired and wireless. Wired models have a more affordable price. The thermostat is connected to the boiler using a two-wire cable - it is laid under the plaster or placed in baseboards or cable channels. The optimal cross-section of each conductor is 0.75 square meters. mm.

A wireless thermostat is a more interesting thing, since it does not require wiring. The range of this device is up to 100 meters in line of sight. In real conditions, it falls 1.5-2 times due to the walls. The signal is worst in apartments where the walls are made of reinforced concrete. But there is no need to lay a connecting cable, which is important for buildings where repairs have already been made.

Popular models

A typical representative of the mechanical category is the Zilon ZA-1 thermostat. This is the simplest model with a relay output, designed to work with equipment that supports “mechanical” connections. The temperature sensor response range is from +10 to +30 degrees.

This model uses a gas-filled sensor that controls dry electrical contacts. The thermostat is not recommended for installation in rooms with high humidity.

Protherm Exacontrol

A room thermostat for a gas boiler called Protherm Exacontrol is designed to work with heating equipment from the brand of the same name. But it can work with any other boilers. It regulates the temperature in the range from +5 to +35 degrees, and only in the heating circuit. For ease of operation, the device is equipped with a liquid crystal display. The thermostat was created for those who do not need unnecessary functionality.

Among the wireless room thermostats for heating boilers, we can highlight the SALUS Controls VS20WRF model. This is a multifunctional device that can control servos. It provides temperature control in the range from +5 to +35 degrees, can work according to one of the programs stored in the memory, and supports the connection of remote sensors. To control the current operating mode, the device is equipped with a large liquid crystal display.

How to install a thermostat

You can buy a suitable thermostat at any store that sells heating equipment. They are represented by hundreds of modifications, both simple and more advanced. After selection and purchase suitable model you can start installation. Next, we will tell you how to connect the thermostat to the boiler - there is nothing complicated about it.

Correct installation of the thermostat in a living room.

In order to install a thermostat on the boiler, you need to decide on its installation location. The device should not be exposed to direct sunlight, it should not be located in a draft area. It is also necessary to ensure that there are no heating devices nearby - otherwise it will be difficult to achieve the required temperature. A two-wire cable is laid from the thermostat to the heating boiler.

And other companies that operate on gas allow you not only to heat your home, but also not to spoil your appearance interior of your home.

All items included with these wonderful heating devices many consider them unnecessary nonsense and call them “accessories” that can be completely dispensed with. The boiler heats the water to the required values, then, when the coolant cools down, it turns on again and brings the water temperature to the level you need.

You determine this level yourself, and the device’s task is to turn on every time to support the program you set. The boiler is manually adjusted by you and is “responsible” for heating the water, but the air temperature in the room is not its task.

What should you do if suddenly the air warms up above the set norm due to the sun’s rays, or in cold weather it cools down to uncomfortable temperatures?

Option one is to do nothing and let the boiler itself, turning on and off countless times, heat the coolant.

Option two is to purchase a device called a room thermostat for a gas boiler, thereby guaranteeing warmth and comfort to your home and protecting a rather expensive heating device from rapid wear and tear, in in this case boiler.

Mechanical room thermostat

A room thermostat or thermostat certainly cannot be classified as an unnecessary accessory, because... This device regulates the operation of the boiler and ensures the heating of air, not water, and for this, as you remember, the boiler is not responsible.

Water cools much faster than air and the boiler needs to be turned on approximately once every ten minutes to maintain the required temperature. The pump of the device works in this mode without ceasing and wears out quite quickly.

What happens to the boiler to which the room thermostat is connected? Let's figure it out in order to draw a conclusion about the need for this device or its complete uselessness.

Operating principle of a room thermostat

A room thermostat is a modern compact device that allows you to control and regulate the air temperature in the room, the value of which you determine yourself. In some European countries, for example, this device is considered mandatory for installation in any home, and I think there is no need to explain how Europeans can save on literally everything.

So, when the air temperature drops by at least 0.5 degrees, the thermostat gives a signal to the boiler to turn on, and it accordingly heats the water, raising the air temperature to the required numbers.

If the temperature remains at the level of the indicators you have determined, the boiler does not turn on, saving gas and electricity so much that the payback of the device itself occurs very quickly.

Gas and electricity bills constantly surprise us in terms of growth, and I think it would not hurt anyone to save up to 25-30 percent family budget only when the thermostat is working. This is such an “accessory”!

What about the boiler's operation? Can you imagine how much less often it will need to be turned on if the thermostat controls the operation of your heating equipment? The service life of the boiler is doubled.

Let's determine the advantages of a room thermostat:

- the device holds desired temperature in the house, creating an atmosphere of coziness and comfort;

— when connecting a thermostat, there is no need to constantly monitor and regulate the operation of the boiler;

— saving money and quick payback for the device.

Main types of thermostats

Room thermostats can be divided according to the method of influencing heating equipment (in this case, a gas boiler) and according to the quantity and quality of the functions they perform.

According to the method of regulation, thermostats are divided into 2 types:

- wired;

- wireless.

For the first type, it is necessary to connect the device directly to the boiler, and thermostats of the second type monitor its operation using a radio signal.

IN wireless thermostat two devices are located at once, one next to the device, the other in the room from which temperature control will be carried out. The devices are connected to each other via a radio signal.

Room thermostat for Baxi boiler

The unit, located in the room, is equipped with a display on which you indicate the desired air temperature in the room, i.e. program its operation. That is why these types of thermostats are called programmers.

Features of room thermostats for boilers

According to the set of functions they perform, thermostats are also divided into two types:

- simple or mechanical;

- programmable.

Simple room thermostats have one function - they maintain the required air temperature, that is, they perform their main role. Programmable thermostats are capable of interfering with the operation of the boiler even from a distance.

You can set a program for such a device for a week and a month in advance, you can change the temperature from day to night, you can program the device in such a way that the house will greet you with warmth exactly when you arrive after work or after a long business trip.

If you have already decided to purchase a room thermostat for your boiler, but are not looking for high prices, start with the simplest model, and only when you realize that you really need the device, purchase a more complex design.

Also, analyze the conditions of your room: it happens that wired devices simply cannot be connected in a given room, then your choice will be limited only to wireless thermostats.

Mechanical room thermostat for gas boiler

Recommendations for selection and installation

When purchasing a device, get a qualified explanation from a specialist and use some tips:

1. It is better if you purchase a thermostat from the same manufacturer that made yours. In this case, installation and installation will be easier and control of gas equipment will be more reliable. Although many people buy various devices, which successfully function for a long time and well.

2. Be sure to consider the size of the room in which the device will be installed and the temperature it will control.

3. It will not be at all superfluous if an additional layer is laid in a room equipped with a thermostat; in this case, your savings in material resources will increase significantly.

4. Since the room thermostat is “responsible” for the air temperature in the room, there are a number of restrictions in its use, which we list below:

— do not install the device next to objects that prevent free air circulation;

- do not cover it with decorative elements such as shelves, curtains, etc.

Programmable thermostat for gas boiler

Connecting a thermostat to a gas boiler with your own hands

According to the principle of operation, a room thermostat is very similar to a car thermostat, but, unfortunately, the latter cannot turn off the engine internal combustion, and the room thermostat will turn off at the right time, preventing it from overheating the air in the room.

Many are stopped by the fact that to install a thermostat it is necessary to call a competent specialist, but this is completely optional. You can safely install the device yourself if you take into account some recommendations:

— before starting work, it is necessary to drain all water from the system by opening the inlet valve;
.
— purge and disconnect the adapter;

— tighten the nuts located between the adapter and the valve, ensuring that the threads are intact.

The basic rule for operating a room thermostat is to protect it from any mechanical damage, because In this case, very sensitive elements of the instrument sensors can be damaged.

Each room needs a separate one; take this fact into account when calculating the financial resources that you intend to allocate for the purchase from your budget.

Each room has its own temperature - higher for the nursery, slightly lower for the bedroom, etc. Make sure that the doors between rooms are tightly closed, otherwise the operation of the device will be difficult. Let's watch the video.

Manufacturers and prices

As for the price of thermostats, for example, the simplest device for a boiler from Baxi or Protherm will cost you 35-45 dollars. At the current rate, it’s a little expensive, but don’t forget that the device will pay for itself soon enough, and the savings on electricity and gas will also be noticeable. The choice is yours!

To prevent overheating and high loads on boiler equipment install special devices. These are thermostats for gas boilers. In today's article we will try to tell you in detail about this part, and also consider its design and purpose.

What is it for?

During operation, the boiler heats the water in the system, after which it moves through the radiators. And if the fluid pressure level or its temperature exceeds the norm, after some time an accident will occur in the system. So, to ensure that the system is not subject to frequent overheating, it is equipped with thermostats. Often several parts are used in a room. Thermostats for gas boilers are mounted at their outlet, as well as on each battery. This is necessary in order to control the heating temperature of the liquid.

It is worth noting that gas equipment represents a subject of increased danger. If used incorrectly, burners cannot burn fuel properly, causing gas to fill the combustion chamber, increasing the risk of explosion and fire. As a result, the boiler overheats, and the water in the system is converted into steam (while the pressure on the pipes increases significantly). Of course, modern boilers are able to turn off when there is significant overheating, since their design includes special sensors. But, as practice has shown, when the temperature rises too quickly and somewhere far from heating element, they are not able to respond to these changes in a timely manner. As a result, the system overheats. In such circumstances, only a local fuse, that is, a thermostat for a gas boiler, helps. It provides a signal in a matter of seconds, so you don’t have to worry about the risk of system overheating.

Design and operating principle

What are these elements made of? The temperature regulator (including for the AOGV gas boiler) consists of several strips of metal. The latter have different linear expansion coefficients. These strips act as an electrical switch contact in the heating circuit. Due to the difference in the coefficient of the two metals, they are deformed, after which the circuit is broken. The steel strips are in contact with the valve closing mechanism. When the temperature rises above the nominal value, the contact moves down. Further, at the valve level, access to water, steam and gas is blocked. Thus, the operation of the boiler stops, and the radiators cool naturally, exchanging heat with the air in the room.

What happens next? After the steam/water temperature drops to normal levels, the thermostat will open the valves and resume boiler operation. Please note that frequent overheating of the system may damage the design of valves and fuses. Therefore, after each such situation, it is necessary to check the integrity of important mechanisms.

As you can see, a remote thermostat for a gas boiler has the same operating principle as a car thermostat - as soon as the temperature rises, a special valve in the system opens and liquid is pumped in a large circle. True, in the case of a car, the sensor is not able to turn off the internal combustion engine.

Varieties

When purchasing this item, it is important to consider whole line parameters and characteristics of exactly the heating system that is used in your premises. Below we will look at what thermostats for gas boilers exist and how each of these types is characterized.

Indoor

This type of thermostat operates exclusively with free air flow. That is, there should not be any elements near it that block air circulation. This could be a curtain, wardrobe or other furniture located next to a heat source (heating radiator). This is the most popular thermostat for gas boilers (including Beretta). These devices can also be used for heated towel rails.

A room thermostat is a device that regulates the operation of a heating boiler depending on the current air temperature in the room. That is, the sensor does not work taking into account the heating of water in the tubes. Thus:

• The heater (in our case it is a gas boiler), in the absence of an installed thermostat, turns on and off depending on the water temperature.
• Heater with room thermostat operates depending on the heating of the air in the room.

That is why it is not recommended to cover thermostats for gas boilers with any decorative covers or to cover them with furniture or other things. By the way, this type of device is equipped with a convenient digital display and can be programmed by pressing one button.

TRV

This abbreviation hides a special type of element - thermostatic valves. These devices do not directly control the boiler. By their structure, they only reduce the flow of water through the battery, and only if the temperature rises above normal. Most often, expansion valves are installed in places where the water pressure level is the lowest. This type, like indoor ones, is not recommended for installation under covers and other design devices. The fact is that if the air circulation in the room is disrupted, the device will not measure the exact heating level of the system, and accordingly, will be useless in your home.

Remote controllers

Experts recommend installing zone remote controllers together with These devices will help control the air temperature in a room or in a separate area of ​​the room using IR rays. As soon as the system begins to boil, the sensors will transmit a signal to the boiler or regulator valve, after which the heater will stop operating.

Cylinder thermostat

This type of device is recommended to be installed if a 2-circuit boiler is installed in the room. At the outlet of the system, the water reaches quite high temperatures(more than 80 degrees), and in order to prevent pipe deformation and leakage, such liquid regulators are installed before passing to the battery. It is worth noting that the cylinder thermostat is fully programmable. This means that the owner can independently set the temperature at which the boiler will turn off for a certain time. Most of these regulators are adjusted in the range of 60 degrees Celsius.

Smart thermostats for gas boilers

These devices are very similar in their operating principle to direct-acting water regulators. They also monitor the state of the system and, if necessary, turn off the boiler until the liquid temperature stabilizes. In addition, “smart” thermostats are able to turn off boiler equipment, also controlling the amount of hot water pumped through the pipes. If an emergency occurs, the electronics quickly react and shut off the valves in the system. This type of device can be either digital or electronic. The latter consist of several components - a display, a board and contacts.

How to install correctly?

Judging by the reviews, it is quite possible to install a gas boiler indoors with your own hands. It doesn’t matter whether the device is installed on metal, cast iron or aluminum batteries - the whole process is similar and requires a minimum of tools.

So, how to properly turn on the regulator in the heating system? The first step is to drain the water from the pipes. This is how we discharge the system central heating. Most often, this requires opening one valve located at the water inlet to the system. Next, the pipes are purged and the adapter is unscrewed. How to do it? In order to disable the adapter, you need to perform several manipulations.

1. Put a lot of pieces of rags. These could be rags or towels. It is important that they all consist of terry or cotton - this way more water will be absorbed into them. Alternatively, you can use a regular sheet of paper or cardboard.
2. Press down the old valve body using an adjustable wrench. A second wrench is needed to loosen the nuts that hold the valve to the pipe and adapter. Next, we safely remove the mechanism from the radiator. In some cases it is necessary to use a battery valve that is built inside the radiator.

At the next stage, a new device is installed. It is important to thoroughly clean the internal threads before installation. A piece of clean cloth is best for this. Afterwards, the thread is wrapped with a special locking tape (white stripe) clockwise. It is recommended to smooth it out after each new turn. Next, the screw element is connected to the corner spacers.

When installing, the cap nut should be replaced, as well as the old copper pipe steel collar. If the latter does not slide off, carefully and carefully cut out its parts and tear them apart using a compact screwdriver.

After the thermostat for the gas boiler is installed (you can see a photo of the finished element in working condition below), you need to tighten the nut that is located between the adapter and the valve. The latter should be held with an adjustable wrench. It is important not to overtighten the threads, otherwise the system may depressurize.

Next, the backup protection system is installed. To do this, the pipes are filled with water again. Once the system is completely filled with fluid, check all connections for leaks. If the valve is in big room(for example, a living room), it is left completely open. In the case of a small room (kitchen or children's room), you need to close it halfway.