Parapet gas boiler OCHAK KSGZV-10 kW [double-circuit]

About company

, which owns the Ochag trademark, was founded in 1993. Location is Ulyanovsk. It produces gas equipment - more than six dozen modifications of boilers. The products attract domestic consumers with a loyal pricing policy. The average estimated cost of gas-powered devices is 14-17,000 rubles. All water heating equipment at the Ulyanovsk plant meets the European standard ISO 9001-2011. The manufacturer presents versions designed for heating housing of different sizes - from 70 to 1000 square meters. m.

Basic faults

The main malfunctions of gas boilers Hearth are problems with the burner - weak flame, extinction after a few seconds of burning, frequent flame failures for unknown reasons.

There can be many reasons for the malfunction of gas equipment; to eliminate possible problems, you need knowledge of the design and operating features of the equipment.

All work must be carried out by service technicians who are certified to work with gas equipment.

The only possible independent procedure may be to clean the burner nozzles from soot.

Advantages of boilers from ServiceGaz

Automation makes using boilers from the Ulyanovsk plant comfortable. Heat consumers completely shift the task of maintaining a given mode to the electronics. Advantages of all modifications of “Hearth”:

• Economical gas consumption. The developers have included a stabilizing device in the design to equalize fuel pressure. Thanks to the stabilizer, gas consumption is reduced by 30%.
• Environmentally friendly. Minimal emissions of harmful substances. In this regard, the equipment from ServiceGaz is not inferior to its European counterparts, which is quite unusual for domestic gas equipment.
• Precision temperature control.
• Three levels of security:

— protection against unexpected flame extinction in the burner;

— shutdown in the absence of traction;

— protection against lack of gas in the system.

• Steel heat exchanger. High efficiency.
• Simple but stylish design. Fits well into modern interiors, does not look like a foreign body, bulky or ugly.
• The design uses innovative technologies. High technical equipment.
• Low price. Simple and cheap maintenance.
• No additional energy sources are needed.
• High quality build. Multi-level quality control.
• Adaptation to domestic gas supply conditions.
• Italian automation EUROSIT.
• Compactness.
• Temperature adjustment.
• Remote control system. Can be controlled using a mobile phone. An electric horn and the ability to connect to a “smart home” system are also provided.
• The package includes a passport and instructions.

Gas boiler "Ochag" - popular, Russian, reliable

Russian gas boilers “Ochag” are quite popular equipment in the CIS. The increased demand for it is primarily due to the manufacturer’s loyal pricing policy and outstanding performance characteristics. But first things first.

The “Ochag” unit is a floor-standing boiler that is ideal for supplying heat to residential apartments and houses. The equipment is able to cope with the heating of rooms whose area reaches 250 square meters. The “Ochag” device can be aggregated with water heaters, which makes this equipment a universal solution to basic household issues of hot water supply.

Russian-made structures operate on natural gas. Domestic engineers, well familiar with the problems that arise from time to time on our gas mains, have provided for the possibility of operating the boiler at low fuel pressure in the system. Naturally, rational buyers who are faced with similar difficulties will appreciate this positive feature of Ochag gas boilers.

Built-in automation makes the operation of the equipment as comfortable as possible for the heat consumer. The system is capable of functioning in a given mode without additional outside intervention. It is worth noting a number of advantages that are characteristic of the “Ochag” model. Among them:

• Moderate gas consumption. The design provides a built-in fuel pressure stabilizer, which reduces gas consumption by a third.
• High environmental loyalty. The amount of harmful emissions into the atmosphere during operation of the unit is minimal, which is especially surprising for domestic equipment, which is not environmentally friendly.
• Maximum precision control of the temperature regime of the unit.

The Ochag gas boiler can rightfully be considered quite safe by Russian standards. Naturally, our technology is far from advanced Swedish and German boilers, but still, the presence of a three-stage safety system already speaks volumes. In particular, the “Hearth” is protected from unexpected extinguishing of the flame on the burner, from lack of draft and from stopping the fuel supply to the system. This is more than enough to avoid typical breakdowns and other problems.

“Ochag” boilers are equipped with a first-class heat exchanger made of steel. High efficiency of the system is achieved thanks to the method of extensive heat removal with a minimum amount of coolant, which is very harmoniously implemented in this design.

The optimal combustion process of the gas-air mixture is ensured by the fuel pressure stabilizer, which is provided in the gas block. At the same time, the gas boiler of the Ochag brand, regardless of the gas pressure in the system, maintains constant thermal performance.

Powerful gas burners made of heat-resistant steel with high anti-corrosion properties are evenly located under the built-in heat exchanger. As a result, an even thermal field in the firebox is ensured, which prevents unwanted overheating in individual areas of the heat exchanger. Of course, this extends the life of the unit and its components.

A little about the advantages of the design

If you doubt that you will be satisfied with the purchase of the Ochag gas boiler, then pay attention to its undoubted advantages:

• High efficiency achieved by the special design of the steel heat exchanger.
• Unobtrusive appearance of the structure, which does not disfigure the interior, as happens when installing domestically produced units.
• High level of technical equipment.
• Simplicity and low cost of equipment maintenance.
• Independence of the unit from external energy sources.
• High build quality, which is guaranteed by multi-level testing in the factory.
• Adaptability of equipment to specific operating conditions in Russia and the CIS countries.
• Availability of reliable high-quality Italian automation EUROSIT.

Results

Since buying a boiler is a responsible matter, you should not rush into choosing a unit. Most buyers would be completely satisfied with the technical capabilities of the Ochag gas boiler, however, if you expect absolutely automated operation and strict safety from water heating equipment, then you have “come to the wrong address.”

Naturally, the price of the “Ochag” equipment attracts a potential client, but it is worth remembering that there are units on the market that are slightly more expensive, but with richer equipment. Therefore, when purchasing a boiler from a domestic brand, you should be clearly aware that all the built-in functions will definitely be enough for you for the next 10-15 years.

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Device

Their feature and advantage is the ability to adapt to any heating system. The user can:

• reinstall the front door depending on the need - on the right or left;
• supply the coolant from a convenient side - from behind or from the side, thanks to two return lines.

Consists of the following components:

• housings;
• automation;
• heat exchanger;
• second circuit (provided that the boiler is double-circuit);
• security systems.

Design in three parts:

• The lower part contains a combustion chamber, which is closed from the side and back by a water jacket. Above the firebox is a heat exchanger. Thanks to the flame tubes of the latter, efficient heat transfer and heat exchange between exhaust gases and water is ensured.
• The upper part contains a smoke eliminator and a built-in draft stabilizer.
• The middle part has a partition that ensures stable operation regardless of the ambient temperature.

The tandem of a smoke eliminator and a heat exchanger makes the boiler intellectually self-sufficient - it can function without any user intervention, without the need for manual adjustments. Stability of operation during traction instability is ensured by the stabilizer rod.

In the firebox there is a burner manufactured by ServiceGaz. Components - front panel, burner pipes, safety sensors - flame and draft, SABK AT control unit. Under the pipes there is a grille damper that supplies secondary air to the burner.

Important! Installation of the device indoors should be carried out with free access of air through the bottom of the device to the burner pipes.

Gas boiler Hearth KGS, KSGV, AOGV, AKGV. Review.

The gas boiler Ochag KGS is part of a wide range of products. The Russian manufacturer produces gas burners, control units and gas burners. The Ochag KGS boiler is the result of the implementation of innovative strategies combined with the technical experience accumulated by the largest specialized plant over many years. Just imagine, 63 types of boilers this company can offer!

Don’t be alarmed, our review today will only cover the standard and premium versions of boiler equipment from the Ulyanovsk plant:

Boiler Hearth standard

Specifications

The gas boiler Ochag KSG is operated in automatic mode. Maintains the temperature of the coolant in the heating unit at the same level set by the consumer. Provides multi-level protection in case of emergency situations. In particular, the sensor system monitors the flame attenuation on the ignition burner and monitors the occurrence of a lack of draft situation - in each case, the gas supply is immediately blocked.

Boiler Hearth Advantages

• Laconic design;
• High efficiency up to 92%;
• Gas blocks of own design of the ServiceGas concern;
• Completely non-volatile. There is no need to connect to the electrical network;
• Possibility of conversion for further operation on liquefied gas;
• Stable operation of the device in case of low gas pressure;
• Heat-resistant stainless steel burner.
• The gas pressure and draft stabilizer is built into the Hearth boiler;
• Regular maintenance using easily removable turbulators in gas passage channels adds ease of operation;
• Easy installation with a choice of one of two gas connection options.
• Thermocouples serve as additional protection against operational breakdowns;
• Service maintenance due to the special mounting of the smoke collector does not interfere with convenient work with the flue part;
• Small pipe diameters = 1.5 inches contribute to reducing financial installation costs;
• Service life of at least 15 years;
• Warranty period from the manufacturer is 2 years.

The floor-standing gas boiler Hearth KSGV serves as a heat supply device for rooms with an area of ​​up to 160 m2, taking into account that the ceiling height does not exceed 2.7 m. Higher ceilings will most likely require a more accurate calculation of heating equipment. The two-circuit model provides the consumer with heat in combination with hot water supply, as indicated by the “B” index.

Explanation of the abbreviation KSGV S -12.5 AT

The letter designations that the Ochag boiler has are intuitive and not difficult to decipher: “K” – boiler “C” – steel “G” – gas “B” – possibility of supplying hot water (a water heater coil is installed) “12.5” – boiler power in kilowatts “A” – a – possibility of operation as a solid fuel “E” – EUROSIT automation

“S” – automatic SABK-AT

The device uses a gas pressure stabilizer designed to regulate the network pressure and ensure a uniform and stable flame on the main burners without changing thermal performance. A new heat-resistant stainless steel burner of atmospheric type is used. It is installed at the bottom of the heat exchanger, maintaining a uniform thermal zone in the combustion unit. The design has a uniform placement and prevents zonal overheating of the heat exchanger and its failure.

The built-in draft stabilizer balances the pressure at the entrance to the ejector of the main burners and at the exit from the slot grooves. This ensures constant discharge and stable combustion of the gas-air mixture in the firebox without additional regulation.

Boiler Ochag Premium

Consider the Premium series AOGV and AKGV. This line has a power from 10 to 35 kW, and serves as a heating device for a residential building up to 300 square meters. The devices are characterized by high performance and reliability. The manufacturer provides for the equipment to operate on natural or liquefied gas. In case of planned connection to a liquefied gas cylinder, it will be necessary to purchase an additional set of nozzles with subsequent adjustment of the equipment.

Specifications

Boiler Hearth device:

Structurally, the Hearth boiler is designed in such a way that it can be integrated into any heating system. The front door can be adjusted according to need and opens either on the left or right side. Two return lines, on the side and behind, make it possible to supply coolant from a convenient installation side.

The Hearth boiler consists of:

• Boiler body
• Automatic control
• Heat exchanger
• Second circuit (if the boiler is double-circuit)
• Safety system

In the lower part of the body, there is a combustion chamber, closed on the sides and rear by sections of the water jacket. A heat exchanger is located above the combustion chamber. High efficiency of heat transfer and heat exchange between flue gases and coolant is achieved due to the developed convective part of the heat exchanger, consisting of “flame” pipes.

At the top of the heat exchanger there is a smoke collector with a built-in draft stabilizer. In the front part of the smoke collector there is a draft sensor, in the upper part of the smoke collector there is a boiler outlet pipe. When installing a boiler into a chimney, it is necessary to coordinate the diameter of the outlet pipe with the cross-section of the chimney. The technical parameters of the chimney must correspond to the technical parameters specified in the operating manual.

In the middle part of the smoke collector, there is a partition plate to ensure stable operation of the device regardless of weather conditions. The heat exchanger, complete with a smoke collector, ensures efficient operation of the boiler without consumer intervention and without requiring manual adjustments. The stabilizer draft contributes to stable operation of the boiler during unstable draft.

A gas burner device manufactured in Russia by the Service Gas company is installed in the combustion chamber of the apparatus. It consists of a front panel, burner pipes, safety sensors (flame sensor and draft sensor), and the SABC AT control unit.

An easily removable distribution grid is mounted below the burner pipes. Designed to supply secondary air for combustion. It is very important when installing the Hearth boiler in a room to ensure free access of air through the lower part of the boiler through the distribution grid to the burner pipes.

The boiler must be installed with clearance at the height of the legs relative to the floor. The Hearth boiler is connected to the gas main on both the left and right sides. This can be done by the design of the SABC AT block. A temperature sensor is installed on the front panel, which indicates the room temperature.

How to light a boiler?

In order to ignite the Hearth boiler, you need to turn the control knob clockwise until the point is opposite the pointer. Then press and hold the start button. Press the piezo ignition button until you hear a characteristic click. At this time, the igniter lights. We continue to hold the start button pressed while the thermocouple heats up. The gas block operates automatically on the igniter. Next, turn the knob counterclockwise to the required temperature.

The Hearth boiler achieves high efficiency due to efficient combustion of fuel and high heat transfer from flue gases through “flame” pipes to the coolant and a developed firebox. The manufacturer guarantees a service life of at least 15 years. Factory warranty for the product is 24 months.

Watch a video on how to light a gas boiler with Eurosit630 automation

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Marking

All versions of the line can be divided into 4 groups:

• AKGV
• KSGV
• AOGV
• KSG

This non-volatile equipment is capable of operating in closed and open heating systems. Coolant circulation - forced or natural. Next to the abbreviation - marking, there is a number indicating the power - 7-35 kW. The marking also indicates the type of automation:

• T or AT – SABC AT;
• C – SABC S RD;
• E or EM – Eurosit.

Almost all modifications are made in accordance with current trends in minimalism. There is a pressure gauge in front, and other automatic elements are hidden in the housing. A distinctive feature of the products from “ServisGaz” is their white color. The radiator is made of steel, the burners are made of heat-resistant stainless steel. Equipped with a condensate collection device.

How to light it?

The ignition sequence is carried out by turning the control knob clockwise. Further procedure:

• You need to turn the knob until the mark is pointing towards the pointer.
• Next, press and hold the “Start” button.
• The piezo ignition button must be pressed until it clicks. The igniter lights.
• Keep “Start” pressed - waiting for the thermocouple to warm up. On the igniter, the gas block operates in auto mode.
• Turn the knob counterclockwise to the required temperature.

How to choose?

Options for the material of manufacture of the heat exchanger - the container where the coolant is heated:

• Steel. Good ductility, minimizing the likelihood of cracks due to thermal stress. Used in budget models. The service life is short due to susceptibility to corrosion.
• Cast iron. Heavy weight. They cost more than steel ones. Minus - they react to temperature changes. They don't rust - a plus. They serve for about half a century.
• Copper. They weigh little. Corrosion resistant. They are usually found in wall-mounted versions.

Designations

When designating heating devices, a letter abbreviation is used. Each letter contains certain information:

• K – boiler.
• G – gas burner equipment is included.
• T – can be used as solid fuel.
• C – steel.
• M – installation of heating elements and an expanded firebox is provided.
• B – there is a water heater.

Knowing the meanings of the letters, the user can decipher the basic information about the proposed options using the abbreviation.

Model overview

If communications are connected to your home, you can always provide it with heat and hot water. More than 50% of boilers installed by domestic consumers are gas. Among them, ServiceGaz products are not the least important.

KSG-7AT

If you are looking for the cheapest option, pay attention to the non-volatile single-circuit device KSG-7AT. Its estimated cost is 10,600 rubles. Manufacturing material – steel. Floor-standing option Simple and convenient operation. Saves fuel. Capable of heating 80 square meters. Specifications:

• Maximum power - 7 kW.
• High efficiency – 85%.
• Water pressure – 0.1 MPa.

Stable operation even at the lowest pressure in the gas pipeline. Equipped with a gas block. There is a built-in pressure and draft stabilizer. Compact heat exchanger made of steel. Burner material is heat-resistant stainless steel. Convenient to maintain - the lining can be easily removed. Gas connection - on either side. There is a device that collects condensate.

According to users, the model has excellent characteristics. If you replace the burner nozzles, you can use liquefied gas as fuel.

KNG 24

Approximate price 25,000 rubles. Dual-circuit. Wall. Compact device with stylish design. The latest technical advances have been implemented. Absolutely silent operation - can be installed directly in the room, it will not disturb the residents in any way. The front panel has an LCD screen to display current settings. The boiler can be used for heating rooms equipped with a water heating system and for heating water. Technical specifications:

• Efficiency – 90%
• Can heat rooms with a total area of ​​220 square meters.
• The maximum heating power is 4.6-24 kW.
• There is automatic ignition.
• Gas consumption - 2.6 m3/h.

You can connect a heated floor. Closed combustion chamber type. Capable of operating on natural or liquefied gas. There are several stages of automatic protection. Weighs 36 kg.

KSG-11

Purpose – heat supply of premises for various purposes. Design Features:

• Convenient installation - gas can be connected from any side.
• Floor.
• The door can be reinstalled on the user-friendly side.
• Condensate collection device.
• Steel heat exchanger.
• Thermal insulation – 30 mm.
• Combustion type: low flare.
• Quiet operation.
• It is possible to use the EUROSIT 630 or SABC-AT control unit.

Technical specifications:

• Heating capacity 11 kW.
• Heating area – 125 sq. m.
• Efficiency – 90%.
• Gas consumption – 1.34 m3/h.
• Weight 48 kg.

KSTG-16

Combined single-circuit boiler with a maximum heating power of 16 kW. Can run on coal or gas. Designed for heating 160 sq. m. Floor installation. Without auto-ignition and flame modulation. Efficiency – 74%.

KSG-10 AT

Floor installation. heating capacity 10 kW. Heats an area up to 100 square meters. m. Fuel consumption - 1.11 m3/h. Price – 11,000 rubles. It is possible, by replacing the burner jets, to burn with liquefied gas - 0.88 kg/h. Consumers note the compactness of the device, its dimensions are 25x47x75 cm. Weight is 48 kg. Tank capacity – 18 liters.

KSG-7 E

Floor. Single-circuit. It features stable operation at low pressure in gas supply pipes. Approximate price – 11,900 rubles. Efficiency 85%. Consumers are attracted by compactness, efficiency and stylish design. Heats up to 80 sq. m. Weighs 37 kg. Open combustion chamber. No auto-ignition. There is no flame modulation. Budget version with a limited set of functions.

Parapet modifications

Their distinctive feature is the absence of a chimney. Smoke removal is carried out through a pipe supplied in the kit. Installation – wall. A hole is made in the walls in advance - the chimney pipe is inserted into it. The heater can be mounted on a wall facing the street. Two modifications of the parapet type are available:

• KSGZ - with one circuit;
• KSGZV - with two circuits.

The body is thermally insulated with mineral wool and can be easily removed to access parts of the heater that need cleaning. 89% efficiency. The heat exchanger is protected from salts and scale.

Gas floor boiler Hearth

Heating gas boilers OCHAG of Russian production.

Ochag KSG (V) floor-mounted gas boilers are designed for heat supply to apartments and residential buildings with a total area of ​​up to 250 square meters with a ceiling height of 2.7 m and hot water supply in the presence of a water heater. They operate on low-pressure natural gas in automatic mode according to the coolant temperature. “Ochag” boilers (regular modification and “M” modification) are universal; when installing the appropriate SABC gas burner, they operate on gas fuel.

The permissible pressure in the heating system for OCHAG boilers is 1.5 bar, that is, in a closed system the maximum pressure is 1.5 bar, in an open system the height from the boiler to the expansion tank of the heating system is 15 meters.

The letter designations in the tables mean the following:

• "K" - boiler
• "C" - steel
• “T” - ability to work on solid fuel
• “G” - presence of a gas burner device in the kit
• “B” - presence of a coil (water heater)
• “M” - modification with the ability to install heating elements and an expanded firebox

The first digit means the power of the boiler for solid fuel, the second for gas fuel

When using domestic gas heating boilers, the Hearth of the KSG model in heating systems is achieved:

• energy saving (gas consumption is reduced by up to 30%) due to the built-in gas pressure stabilizer;
• reducing the amount of harmful emissions into the atmosphere;
• increasing the accuracy of temperature control in the room.

Domestic boilers Ochag KSG, KSGV have 3 degrees of protection in emergency situations:

• when the flame on the pilot burner goes out;
• in the absence of traction;
• when gas supply stops.

Double-circuit heating boilers OCHAG KSGV, and single-circuit heating boilers KSG are produced as gas floor heating boilers. These floor-standing boilers OCHAG KSG are supplied with a highly efficient steel heat exchanger. For the most optimal removal of gas combustion energy by a convective heating surface, the method of extensive high-speed heat removal is used with a smaller volume of coolant in the boiler, thereby achieving high efficiency.

A gas pressure stabilizer built into the gas block of a domestic boiler ensures uniform combustion of the gas-air mixture on the main burners with constant heating output, regardless of the gas pressure in the network. The main gas burners made of heat-resistant stainless steel with slotted grooves are placed evenly under the heat exchanger, creating a uniform thermal field in the combustion volume, which eliminates the formation of local overheating zones of the heat exchanger and its destruction.

Advantages of domestic heating boilers OCHAG using KSG, KSGV gas

• These OCHAG brand boilers have a highly efficient steel heat exchanger, which allows them to achieve high efficiency.
• The design and small dimensions of the domestic boiler, hidden automation, allow it to fit harmoniously into any room interior.
• Modern design and technological developments used in this heating boiler make it easy to maintain and operate.
• Complete energy independence from external sources of electricity.
• Multi-level quality control makes the household heating boiler reliable and durable.
• The household heating boiler Hearth KSG, KSGV is designed for heating residential premises and hot water supply in the presence of a water heater.
• Ability to operate at reduced gas supply pressure.
• The heating boiler does not require adjustment in case of atmospheric changes; all gas combustion processes are automated.
• There is a draft stabilizer that maintains constant pressure in the firebox, and a gas pressure stabilizer that maintains constant power of the main burner.
• There is an option to configure a gas floor-standing boiler with SABK-E electronic automation.
• The boiler is equipped with Italian EUROSIT automatic equipment.

Technical characteristics of gas boilers Ochag