Gas heating boilers - types and features, choosing recommendations

By Admin | Garden And Buildings / Communication
13 May 2016

Gas heating boilers - devices that transmit energy to the heat carrier arising from the combustion of fuel.The boiler can be called the heart of the heating system and the main means of serving to heat apartments and cottages.There are several types of boilers, but gas - the most common, because it is a reliable and economical way to create comfort in your home.

Content

Advantages and disadvantages of gas equipment ↑

Gas boilers are considered to be by far the most popular equipmentused where the gas pipeline is laid pipe.

Pros gas heating systems ↑

  • gas boiler heating allows you to heat facilities and the impressive size of the room;
  • efficiency gas boilers is extremely high
    , and the price of fuel - low.In addition, the boiler gives much more energy than it consumes;
  • there is no need to follow the flame, the gas is fed into the unit continuously.If for any reason the flame goes out, the sensor immediately notify the system of electric ignition spark will ignite and feed the burner again;
  • boilers are easy to use, have high efficiency and are designed for long life.

Cons gas boilers ↑

  • gas boiler installation requires compliance with a set of conditions relating to both the technical side and the relevant paperwork.It is necessary to coordinate with Gaztehnadzorom, which should provide a draft contract with the installation contractor, a copy of the license of the organization to carry out activities of this kind;
  • need to take care of a chimney for the elimination of waste substances.The installation should be carried out in a well-ventilated area with a separate exit to the street.This is especially important for the boiler with an atmospheric burner;
  • when the pressure in the pipeline or wear burner boiler starts to smoke, the reduction factor of its efficiency;
  • at the area less than 100 m2 the use of gas boiler is not only economically viable, but also dangerous;
  • must install automation in control of the gas leak.

Classification of on-site ↑

Classification gas boilers for heating vast.By type of accommodation they are wall and floor.

Wall gas boilers ↑

This type of heating equipment appeared relatively recently, but has already managed to gain a lot of fans.Gas heating boiler wall type is also called a mini-boiler.This is no accident: in a small body hides not only the heat exchanger, burner and control, and circulating pumps, security, expansion tank, thermometer, pressure gauge and other components.

Given that these boilers absorbed all the most advanced technology, the cost is much lower compared with floor fellows.Another important advantage - the ease of installation.Many buyers think that ease of installation - a characteristic that should interest only installers.This is a big misconception.After all, the amount you will have to pay for the installation of boiler components mounted separately, will be quite significant.
compactness, the ability to organically fit into the interior of gas boiler - another advantage of wall installations.

Wall-mounted boiler
Wall boiler - lightweight, compact but limited power system

By way of Exhaust boilers are divided into samples with forced and natural draft.In the first case the removal of the decay products is done by built-in fan, the second - at the expense of chimney draft.Most boiler manufacturers produce both first and second type.Boilers, natural draft familiar to many: the chimney above the roof is hardly able to surprise.But boilers with forced draft can be called a novelty, because they appeared not so long ago.Such models are good for the room without a chimney, iewaste material output through the coaxial chimney, which you want to make a hole in the wall.

This need to know!
Coaxial chimney is also called "pipe in pipe".As shown on the inner tube out of the combustion products, and on the outside - the incoming air.

Boilers with forced draft does not require fresh air for combustion, do not burn oxygen from the room and allow you to save on installation.By type
firing wall boilers are divided into electrical and pezorozzhigom.The first - more economical, becauseigniter with a continuously burning flame is absent, thus reducing gas consumption.Another advantage - automatic resumption of failures in the power supply, while the model with pezorozzhigom be enabled manually.

By type of burner wall boilers are divided into ordinary and modulation burner.This burner provides an economical mode, asboiler depending on the heat requirement regulates power independently.

This need to know!
Modulation burner will provide the most comfortable conditions in the DHW (hot water), maintaining the temperature of the water at the desired level.

In most cases, wall-mounted gas boilers fitted with devices ensuring safe operation.Present sensor in contact with a flame of fire off the fuel supply, the thermostat switches off the boiler locking during emergency increase in temperature, a special device blocks the installation of a gas at a power failure, etc.

Wall boilers are used in two ways:

Diagram of the gas boiler
scheme incorporating a gas boiler in the heating circuit of the Autonomous House

1. Create individual heating systems in cottages and country houses.Power devices varies from 12-42 kW, which means that the range of facilities that might heat effectively enough wide (50-400 m2).Easy to install, low cost and small size - factors contributing to the increase in the popularity of such boilers.
2. door-heating in apartment buildings.Having your boiler, the owner decides for himself when and what temperature should be created.Now a situation where heating include ahead of time, or, conversely, too late, not terrible.

Floor gas installations ↑

Floor gas boiler - a traditional device, do not experience major changes for many years.The heat exchanger is usually made of steel or cast iron.Disputes about what material is better not to stop, perhaps never.On the one hand, a cast iron heat exchanger is less susceptible to corrosion, but it is fragile, and therefore the risk of microcracking during handling and transportation is quite large.
Furthermore, when used with hard water over time is the destruction of the heat exchanger.
Steel boilers are much easier to iron, but non-compliance with the rules of operation may cause corrosion.

This need to know!
By and large, to create the right conditions for steel boiler simply.The main thing is to make sure that the temperature does not fall below the "dew point".

Allocate floor gas boilers with forced draft (fan exchangeable) and atmospheric burners.The first - to have a higher efficiency and higher costs.Second - cheaper, and are much quieter.Atmospheric burner is an integral part of the boiler, i.e.included in the price.

supercharged burner is not supplied and sold separately.
power boiler with atmospheric burner type ranges from 10 to 80 kW, while boilers with replaceable inflatable burners demonstrate the power of several thousand kW.This allows each customer to choose the best option Heating.

Floor standing boiler
Boiler Floor: a powerful unit coping with the supply of water in the heating system and water supply

Another important factor is the dependence of the electrical equipment.Problems with the supply of electricity - are not uncommon, which creates prerequisites for finding optimal ways to create a comfortable environment.Speaking of the Russian producers, it should be noted that the issue of disruptions to electricity, while production output is taken into account.With regard to the import manufacturers of boiler plants, then there are 2 ways to achieve the autonomy of the work:
1. Simplification of the boiler control system due to the lack of automation.In this situation, the boiler will only be able to maintain the temperature of the water is not guided to the room temperature.
2. Using a heat generator, produces electricity required for operation of automation, from the heat.

division of functionality ↑

By functionality all boilers are divided into single-circuit and double-circuit.

Single-gas boilers ↑

Single-loop boiler
Single-circuit boiler performs a single function - heating the coolant

gas boiler single-loop (single-stage) only heats the water in the heating system.To use a boiler for hot water, should buy a boiler of indirect heating.Buying boiler, please note that the volume of the chamber must correspond to the number of residents in the house.

units with two circuits ↑

gas boiler Turbofan (two-step) is more functional and is equipped with an additional built-burner hot water.This boiler is both for hot water and heating.

This need to know!
Although the cost of a bypass of the boiler is less than the total price of the boiler and the boiler single-circuit, ensure comfortable use of hot water for more than three tenants he is unable to.

Turbofan boiler heating is switched on as soon as you open the faucet in the bathroom.When the valves are closed, the water cools down.If hot water is not used for several hours, then the opening of the tap water is cool it.The greater the distance between the water intake and the boiler, and the larger diameter pipe connecting them, the longer it will have to expect a change of cold water on warm, and thus, the more water will be spent in vain.

This need to know!
length pipe connecting the boiler to the most remote area of ​​the water intake should not exceed 7 meters.

should be noted that such a heat exchanger boiler is especially susceptible to the formation of scale due to the deposition of mineral compounds.Scale hinders heat transfer, and this leads to a decrease in productivity of the water heater and spending more fuel.

Turbofan boiler
Turbofan boiler multifunctional, if desired, their capabilities can be expanded by connecting additional modules

By way of taps combustion boilers heating combi are chimney (output decay products through a pipe), condensation (condensate is removed through the chimney, which requires complete sealing) and turbocharged (chimney equipped with a fan).

How to choose a gas boiler ↑

The question is how to choose a gas boiler, excites many.Want to buy reliable and quality equipment that will last for years.You can, of course, set in the search for the "best gas boilers" or "boilers: reviews" but this is unlikely to solve the problem.Choosing a gas boiler - a process that requires an individual approach.

Priority should be given to the power that you want to get from the boiler.This value lay with a focus on the most energy-intensive consumers of heat - the heating system.

This need to know!
To determine the capacity, you can use the simple relation to heat 10 m2 should be 1 kW of power.For example, the area of ​​a private house of 300 m2, so you need a boiler capacity of not less than 30 kW.

Want to get hot water with the heating?Choose a wall gas boiler, which is inexpensive and easily installed.You do not want to conduct an annual sales service?Then look at the floor boilers.It is, of course, more expensive, but the annual maintenance, as opposed to the wall, does not require.

Installation of gas boiler
Installation of gas boiler - a complex process, it is recommended to trust the professionals

Speaking of producers, it should be noted that the choice is, of course, up to you.We can only say that domestic firms coping well with the release of high-quality heating equipment, which is the functional anything from boiler foreign production is different, and is, among other things, an order of magnitude cheaper.

Video recommendation wishing to select ↑

heat in the house - an important component of comfort and relaxation, so the choice of a gas boiler (the most profitable to date means of heating) requires competent and responsible approach.Weigh all the "pros" and against ", and only then go shopping.If you still doubt you do not leave, contact the person who will provide you with the best option.