Condensing boilers Bosch (Bosch). Bosch gas boilers - floor and wall mounted, single and double circuit, condensing Bosch condensing gas boiler

Gas boilers Bosch - floor and wall, single and double circuit, condensing

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When designing a heating system, it is necessary to plan everything correctly and provide for all the nuances. One of the most important criteria is the selection of equipment that can create the maximum comfortable atmosphere indoors, will consume fuel economically and operate without failures or malfunctions. The Bosch gas boiler is an excellent heating device that meets all these requirements.

Gas boiler Bosch Condens 2500 W

General information about the Bosch gas boiler

The German manufacturer Bosch has been producing gas heating equipment. Products are grouped according to a number of criteria:

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  • execution can be wall and floor;
  • the combustion chamber can be open or closed;
  • one or two circuits;
  • various dimensions.

Thanks to this, each user will be able to select a unit based on the required functionality, technical characteristics and area of ​​the room where it will be placed.

Heating devices manufactured by Bosch are distinguished by high strength and reliability, as well as a long service life.

Numerous user reviews indicate that Bosch gas boilers are highly efficient units. Let's consider the main advantages of these devices:

  • good build quality. Compared to similar models produced by other manufacturers, Bosch's assembly is performed at a higher level;
  • high specifications, the boilers’ performance is good, they are highly efficient and quite economical;
  • wide selection of models - there are units on sale that are suitable for any operating conditions;
  • according to statistics, gas boilers from this manufacturer are much less prone to breakdowns than their analogues;
  • they are quite attractive in appearance;
  • the devices are absolutely adapted to domestic operating conditions;
  • if desired, users can combine several gas boilers into one cascade. This is used when it is necessary to heat large rooms;
  • a lot of positive feedback users.

Despite a large number of advantages, there are also disadvantages:

  1. The assembly is not always German - some models are produced in other countries, including Russia, in the city of Engels. Despite the fact that the assembly is supervised by specialists using the manufacturer’s original equipment, user reviews indicate that domestically assembled Bosch gas boilers still differ from the previous German quality;
  2. High price. Yes, the price is somewhat inflated; if you compare the products with other leading brands, then for Bosch boilers it is 10-15% higher.

Types of Bosch gas boilers

The range of the German manufacturer of boiler equipment includes: various models by the number of circuits, installation location and operating principle. Let's take a closer look at them.

Floor

Units that have a floor-mounted design are highly economical; they will not consume a lot of fuel. The instrument package includes a standard one, which can monitor the gas supply level and traction force. If any failures or malfunctions occur, an emergency shutdown of the device occurs. Floor-standing models are well suited for areas where supply is a problem. electrical energy- a common occurrence.

Gas floor standing boilers BOSCH GAZ 2500 F

Settings floor type very often used to supply heat to large rooms. Their area ranges from 130 to 500 m². This is due high power units, it is 30 kW.

The disadvantages of Bosch floor-standing boilers include the following factors:

  • equipment size is too large;
  • the need to equip a separate boiler room;
  • There are difficulties with the output and setup of hot water supply.

Wall mounted

Wall-mounted units are equipped with circulation pump , security team and expansion tank. The devices themselves are compact in size and can be easily attached to the wall. Some models have forced removal of combustion products. To do this, a small pipe is installed, which is led out into the street through an adjacent wall.

Bosch wall-mounted gas boilers have gained wide popularity thanks to automated system work. The device itself maintains a certain temperature regime in the house. For example, during the day the temperature during the day will remain stable at +18°C, and in the evening at the selected time it will go to +23°C.

If desired, you can connect a heated floor to the boiler with the ability to configure or set certain parameters using the built-in control panel.

Single-circuit

This is the simplest type of Bosch gas boilers; they are intended only for supplying heat to houses and non-residential premises. Their package includes one, the devices are equipped with a built-in piping, which includes expansion tanks and circulation pumps. The market contains both small-sized devices with low power ratings and very powerful devices that are designed to supply heat to large rooms.

The main advantage of models with one circuit is their simple design, because the number of elements included in the device is reduced to a minimum. The units are characterized by high reliability. However, if you want to have hot water in the house, then you will have to search alternative way submissions hot water. For this purpose, electric storage water heaters, geysers, and instantaneous water heaters.

Dual-circuit

A Bosch gas boiler with two circuits is good alternative single-circuit unit. In terms of dimensions, they are almost identical, differing only in the internal equipment.

Double-circuit units operate with two heat exchangers and . In the first case, the water in the hot water supply circuit is heated by water from the heating circuit, which moves through the main heat exchanger in a closed volume. In another case, the heat exchanger appears to be missing, since it is hidden inside the main exchanger.

It is worth noting that such a structure of Bosch double-circuit units is considered not very reliable. Regardless of the design of a double-circuit boiler, such devices allow you to save free space in the room.

With open combustion chamber

Open-fired boilers are designed according to traditional scheme, which provides for a gas combustion process with a natural influx atmospheric air— this is precisely the principle by which flow systems operate gas water heaters and ordinary floor-standing boilers.

Bosch Condens 2000 W 24 Kw

The air intake here occurs directly from the room in which the boiler is located. The combustion products are removed through a traditional chimney, in which draft is always present. Therefore, the rooms in which gas boilers with an open firebox are installed must have good ventilation and strictly comply with fire safety regulations.

Wall gas Bosch boilers very often called atmospheric, since combustion occurs at normal atmospheric pressure. The advantage of an open burner is that the equipment is very simple, but the disadvantage is the rather low productivity and the fact that the gas does not burn completely. But such a burner operates almost silently.

With a closed combustion chamber

Bosch wall-mounted boilers closed camera combustion is also called turbocharged. Gas combustion here occurs in a special burner with forced air supply - it is taken from outside the room using high power. Combustion products are removed in the same way. Since they are removed by force, draft in the chimney is not required. That is why, together with turbocharged boilers, they are used, which are mounted in the nearest wall.

Bosch gas wall-mounted boilers with a closed combustion chamber have big amount advantages:

  • gas is burned as efficiently as possible;
  • Boiler performance is high;
  • reduced amount of harmful emissions;
  • thanks to the modulating burner the load on metal components not so high;
  • The devices can be installed in any room, even those without ventilation.

There is also a significant drawback - it is noisy, which is caused by powerful fans included in the design of the unit. They perform the function of air intake and removal of combustion products. Many models with modulating burners have variable speed, due to which the devices do not make so much noise under light loads.

The key disadvantage of turbocharged wall-mounted gas boilers is that they include many components that negatively affect the reliability of the units.

Condensation

A large amount of thermal energy remains in the combustion products of classic gas boilers, called convector boilers, incl. in the form of heated water vapor. There are technologies that make it possible to take this heat and direct it into the heating system. It was precisely in order to cope with this task that they were developed that have the ability to intelligently use the generated heat.

Condensing double-circuit gas boiler Bosch Condens 2000 W ZWB

The manufacturer indicates that the efficiency of these boilers is 110%, but in reality this is nothing more than a marketing ploy; in fact, productivity increases by about 5-10% of the original indicator, but never reaches 100%.

Advantages of Bosch condensing boilers:

  • gas is burned efficiently;
  • fuel is consumed very economically;
  • For environment The devices are absolutely safe.

As disadvantages it is worth noting complex design, the need to remove condensate that occurs during the condensation of water vapor.

All wall-mounted condensing boilers have a closed firebox.

Popular models

If you want to purchase a high-quality wall-mounted Bosch gas boiler, then you should take a closer look at the leading models, which will be discussed further.

Bosch Gaz 6000 W WBN 6000-18 H

The Bosch 6000 gas boiler is a heating device with a capacity of 18 kW. It will be quite enough to supply heat to rooms with an area of ​​180 m². This unit has one circuit, the design is simple, the package includes a modulating burner with a closed combustion chamber, the heat exchanger is made of copper.

Boiler BOSCH GAZ 6000

Due to electronic modulation of the flame, it is possible to smoothly adjust the thermal power within wide limits. The control is electronic, there is a self-diagnosis system.

If desired, the Bosch Gaz 6000 gas boiler can be converted to operate on liquefied gas.

Distinctive features of the model:

  • included in the package security group;
  • there is an informative display that allows you to control and adjust operating modes;
  • The weight of the device is small - 28 kg;
  • can operate in antifreeze mode.

The described model has found wide user demand.

Bosch Gaz 4000 W ZSA 24-2 K

This single-circuit wall-mounted boiler is also very popular. The power of the device is 24 kW. The combustion chamber of this gas boiler- open, available expansion tank, volume 8 liters and circulation pump with blocking protection.

The package includes a security group. The temperature in the heating system ranges from +38 to +42°C. The maximum area that the device can heat is 240 m².

His key feature is the presence of a built-in gas filter.

Bosch Gaz 7000 W ZWC 28-3 MFA

Bosch Gaz 7000 double-circuit wall-mounted boiler with a power of 28.1 kW and a closed combustion chamber. The equipment includes electronic flame modulation, due to which the boiler can operate at low power - 11.3 kW.

Gas wall-mounted boiler BOSCH 7000 W

The device also has modern electronic control, a self-diagnosis system, overheating protection, a safety group and a connector for connecting an external control module.

The performance of the hot water supply circuit is high, ranging from 8.1 to 20.1 l/min., it all depends on the specified temperature regime and water temperature in the water supply.
Note character traits Bosch Gaz 7000 boilers:

  • the unit has a compact size, the body depth is 37 cm;
  • can be converted to work on liquefied gas;
  • the boiler weighs little, making it easier to install;
  • the unit can also operate in antifreeze mode;
  • management is simple and accessible.

If you are looking for a simple and reliable model of a Bosch gas boiler, then be sure to take a closer look at this model.

To summarize all of the above, it is worth saying that gas boilers produced by the German manufacturer Bosch deserve your attention. They are very efficient and reliable. A wide selection of models allows you to select a unit based on the requirements you place on heating equipment.

Condensing boilers Bosch (Bosch)- this is heating equipment from the world's leading manufacturer. Buyers have long appreciated German quality and reliability of the brand's products. Therefore, boilers produced under the Bosch brand are especially popular, despite their rather high cost.

The use of Bosch condensing equipment is especially important for heating systems with low temperature conditions. It allows you to significantly reduce heat supply costs, as well as reduce emissions of harmful gases into the atmosphere.

Technical features

  1. Efficiency and economy. Efficiency reaches 109%.
  2. High degree of process automation.
  3. Ease of operation and maintenance.
  4. Possibility of air intake from indoors and outdoors.
  5. Use of high quality materials. Heat exchangers are made of silumin.
  6. Silence.
  7. Environmental friendliness and safety.

The most popular on the market is the Bosch Condens series. Depending on your requirements, in this line you can choose both wall-mounted and floor models. All of them are compact, have an attractive appearance and will fit perfectly into any interior.

A single-circuit Bosch Condens unit will provide your home with heat, and a double-circuit boiler, in addition to heating, will give you the joy of use hot water. Models in this series have different capacities. Its value must be selected based on the size of the room and the climate of your region.

We do not recommend connecting condensing equipment yourself. This is a fairly complex technique that can be easily damaged. It is better to entrust installation and installation to qualified specialists of our company.

Wall-mounted gas boilers are in certain demand because they are compact and do not take up too much space. Today they are installed in individual apartments, private homes, as well as in buildings of small enterprises. The most preferred brands include Bosch, a well-known German brand. Many consumers already know that a Bosch gas boiler, double-circuit or single-circuit, will become a reliable and durable source of heat.

Let's see what Bosch equipment is and what its characteristic features are.

Features of Bosch gas boilers Heating equipment from famous manufacturers

characterized by a large margin of strength and reliability. And it lasts much longer, delighting consumers with warmth. We can say the same about Bosch gas boilers, which have earned particular popularity among domestic consumers. They are available in a variety of configurations and are represented by a large number of models of varying power. The Bosch gas boiler is a smart choice for those who are going to create in their home autonomous system heating. The device installed in the system will show high efficiency

  • , you will be pleased with the absence of problems in operation and a minimum number of breakdowns. Let's look at the main advantages of BOSCH gas boilers:
  • Excellent build quality - whatever you say, the products of leading brands are of higher quality compared to similar models from competitors;
  • Excellent technical characteristics - here we can highlight decent efficiency, high efficiency and cost-effectiveness; Wide– there are models for sale for any operating conditions;
  • Minimum breakdowns - Bosch gas boilers break down 2-3 times less often, which is confirmed by statistics from service centers;
  • Pleasant design - you will certainly like the strict design of Bosch gas boilers;
  • Full adaptation to Russian conditions operation - this means that the equipment will show stable operation in any conditions;
  • The ability to combine several Bosch gas boilers into one cascade - this is necessary for heating large buildings;
  • Positive reviews from existing owners are another definite plus.

Unfortunately, it was not without some drawbacks:

  • Not always German assembly - yes, some models are actually manufactured in other countries, including in Russia, in the city of Engels. Despite the fact that the assembly is carried out under the supervision of specialists using the original equipment of the manufacturer, reviews from owners indicate that domestically assembled Bosch gas boilers do not differ in the same German quality;
  • A somewhat inflated price - this is true, but only if you compare it with the products of some little-known manufacturers. In comparison with leading brands, the cost of equipment is approximately the same, but can vary between 10-15%;
  • Limited selection in stores. This problem is solved with the help of numerous online stores.

The disadvantages are not the worst, they can be ignored. But you will have reliable heating equipment at your disposal.

Bosch gas boilers and their varieties

If you are going to buy a Bosch wall-mounted gas boiler, you will definitely need information about the types of equipment sold. Consumers can choose from:

  • Single-circuit heating units;
  • Bosch double-circuit gas boilers;
  • Models with open and closed combustion chambers;
  • Condensation models.

Let's look at this equipment in more detail.


We have before us the simplest Bosch gas boilers, created exclusively for heating residential and non-residential premises. They are built on the basis of a single heat exchanger and are equipped with built-in piping - these are circulation pumps and expansion tanks. Consumers can choose from small units with a power of several kilowatts, as well as very powerful units aimed at heating large areas.

The main advantage of single-circuit models is their simplicity - inside we will find a minimum of components, which makes the equipment more reliable. But in this case, you will have to look for a way to organize the preparation of hot water. For this purpose, electric storage water heaters, geysers, heaters are used. indirect heating or electric instantaneous water heaters.


A Bosch gas double-circuit boiler will be an excellent alternative to the single-circuit option. In terms of size, these devices are almost identical, differing only in the internal filling. Double-circuit devices are built according to schemes with two heat exchangers or with a bithermal heat exchanger. In the first case, the water in the DHW circuit is heated by water from the heating circuit, which circulates through the main heat exchanger in a closed volume (at this time the heating does not work).

In the second case, there is no second heat exchanger, since it is hidden inside the main exchanger. This construction scheme for Bosch (and other brands) double-circuit gas boilers is not the most reliable. Regardless of how the dual-circuit unit is built, it allows you to save free place in the house, replacing two devices at once - a boiler and a water heater.

Heat engineering experts advise purchasing Bosch double-circuit gas boilers, built according to a scheme with two heat exchangers - they are more reliable and durable.


Bosch gas boilers open camera combustion is created according to the classical scheme, which involves burning gas with a natural influx of atmospheric air - this is how instantaneous gas water heaters (columns) and simple floor-standing boilers work. The air here is taken directly from the room in which the unit is installed. Combustion products are sent into a traditional chimney, which always has a draft. Therefore, the rooms where open Bosch gas boilers are installed must be ventilated and meet strict fire safety requirements.

Wall-mounted heating boilers from Bosch (and other brands) are often called atmospheric, since combustion occurs at normal atmospheric pressure. The advantage of an open burner is the comparative simplicity of the equipment, the disadvantage is lower efficiency and incomplete combustion of gas.


But such a burner has a low noise level - only the gas itself makes noise. Bosch closed wall-mounted gas boilers are called turbocharged. The thing is that the gas here burns in a special burner with forced air supply - it is taken from outside the room using a powerful fan. The combustion products are removed in a similar way. Since they are removed by force, draft in the chimney is not needed. coaxial chimneys, which extend beyond the nearest wall.

Bosch gas wall-mounted boilers with a closed combustion chamber have many advantages:

  • More high efficiency due to more efficient combustion gas;
  • Reduced number of harmful calls;
  • Reduced thermal load on metal components (due to a modulated burner);
  • Possibility of installation in any premises (including without ventilation).

There is also a certain drawback - this increased level noise, since the equipment design contains powerful fans, responsible for air intake and removal of combustion products. Most models with modulating burners have adjustable speed, which somewhat reduces noise at low loads.

The main disadvantage of Bosch turbocharged wall-mounted gas boilers is their increased complexity - which more nodes, the less reliable.


In the combustion products of traditional gas boilers, which are called convector boilers, a lot of heat remains, including in the form of heated water vapor. There are technologies that allow you to take this heat and direct it into the heating system. Bosch condensing wall-mounted gas boilers were created especially for this, able to use the generated heat to the maximum.

There is a small subtlety here - the manufacturer says that the efficiency is up to 110%, but in fact this is nothing more than a marketing ploy (such efficiency is contrary to the laws of physics). In reality, efficiency increases by 5-10% of the original value, but never reaches 100%.

Advantages of Bosch condensing wall-mounted gas boilers:

  • Efficient gas combustion;
  • Economical fuel consumption (up to 10%);
  • Caring for the environment.

There are also disadvantages - increased complexity, the need to remove condensate, which is formed as a result of condensation of water vapor.

All Bosch wall-mounted condensing gas boilers are built according to a scheme with a closed combustion chamber.

Popular models

If you are planning to buy a good wall-mounted gas boiler from Bosch, then this is an excellent wish - all you have to do is figure out the most popular models. Let's see what users prefer.


The Bosch 6000 wall-mounted boiler is a heating unit with a capacity of 18 kW. This power is enough to heat rooms up to 180 square meters. m. The model is made according to a single-circuit design and is distinguished by its simplicity. The heart of the unit is a modulating burner with a closed combustion chamber and a copper heat exchanger. Thanks to electronic flame modulation, it is possible to smoothly adjust the thermal power over a wide range . The control here is electronic, with a self-diagnosis system. It is possible to operate on liquefied gas, which will require reconfiguring the equipment.

Other features of the model:

  • Built-in security group;
  • Informative display for monitoring operating modes;
  • Low weight - only 28 kg;
  • Ability to operate in antifreeze mode.

The model is in great demand among users.


Another popular single-circuit wall-mounted unit from Bosch. Thermal power model is 24 kW, with the possibility of adjustment within a wide range. It is built according to a scheme with an open combustion chamber and is equipped with expansion tank 8 liters and circulation pump with anti-blocking protection. There is also a full security team inside. Temperature in heating system varies from +38 to +82 degrees, maximum heated area - up to 240 sq. m. The difference between the boiler is the presence of a built-in gas filter.

The 4000 series includes many other Bosch wall-mounted gas boilers, differing in power and number of circuits.


Before us is a gas double-circuit wall-mounted boiler from Bosch, with a power of 28.1 kW and equipped with a closed combustion chamber. It is equipped with an electronic flame modulation system, which makes it possible to operate at reduced power - from 11.3 kW. The device was equipped with advanced electronic control, a self-diagnosis system, overheating protection, a security group and a connector for connecting an external control module. The performance of the DHW circuit is pleasing - from 8.1 to 20.1 l/min, depending on the set temperature regime and the temperature of the water in the water supply.

The Bosch Condens 5000 W ZBR 70-3 gas boiler is designed for installation on a wall in any room and takes up almost no space, as it has compact dimensions and an advanced design. Also this equipment absolutely safe for people.
Bosch wall-mounted gas condensing boilers of the Condens 5000W series are modern, silent and economical equipment for heating a variety of objects. In a number distinctive features The line of boilers under consideration is characterized by their compactness and ease of use, due to which such models can be widely used in any type of premises.

Distinctive features

Indication of operating parameters, as well as creation of daily and weekly programs using Fx controllers
Electronic regulation of the gas-air mixture composition
Constant power modulation in heating and hot water modes
Silumin heat exchanger with patented tube configuration technology increases heat transfer while minimizing boiler size
Modulating burner (20-100%) with pre-mix
Possibility of operation without maintaining a minimum volume flow, thanks to the Flow Plus system
Indication of errors and malfunctions
Possibility of control using Fx series controllers
Ionization flame control
Frost protection and pump blocking
Step-by-step protection against low pressure in the heating circuit

Detailed Specifications

Model: Bosch Condens 5000 W
Manufacturer: Germany
Gas stove
Warranty: 2 years
Country of origin: Türkiye
Installation: wall
Combustion chamber: closed
Number of circuits: single circuit
Heated area: 700 sq.m
Efficiency: 109.4%
Max. water pressure in the heating circuit: 3 bar
Control: electronic
Thermal power: 14.3 – 69.5 kW
Thermal load: 13.3 – 64.3 kW
Fuel: natural gas, liquefied gas
Natural gas consumption: 6.81 cubic meters/hour
Heating boiler type: gas, convection
Coolant temperature: 30 – 90 °C
Nominal natural gas pressure: 20 mbar
Gas connection pipe: 1″
Heating circuit connection pipe: 1½”
Dimensions: (WxHxD) 980 × 520 × 465 mm
Weight: 70 kg
Chimney diameter: 150 mm

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