Korean gas boilers: detailed review and recommendations for choosing wall-mounted and floor-mounted, single-circuit and double-circuit models, reviews from owners, comparison of their characteristics and costs

The length of gas pipelines in Russia is 179 thousand km. This is almost half the distance from the Earth to the Moon. Therefore, the popularity of gas as a resource is beyond doubt. It is accessible and relatively cheap. Boilers are used to allow gas to heat domestic and industrial premises. Today they are produced in quite a few countries, but I consider Korean gas boilers for heating to be one of the most practical in the budget price segment. Want to know why? Then read this article.

Advantages and disadvantages

We can note a large number of advantages that are inherent in Korean-made boilers:

1. Versatility. For example, wall-mounted systems can be used to heat any facility and run on both natural and liquefied gas without purchasing additional components.
2. Uninterrupted operation. Even in conditions of unstable pressure in the gas pipeline, the equipment will operate without failure.
3. High degree of security. For example, wall-mounted boilers are equipped with twelve sensors for protection against all kinds of malfunctions.
4. High efficiency.
5. Wide selection of models.
6. Modern design.
7. Low price.
8. Compactness.

The disadvantage of gas boilers produced in South Korea is the insufficiently well-established work of service centers. In addition, finding spare parts for such a unit will not be easy.

The most famous on the Russian market are such Korean manufacturers of heating boilers as Kiturami, Navien, Daewoo, Olympia and others.

Let's get acquainted and consider in detail each of them.

Product characteristics

NAVIEN products have been represented on the domestic market of equipment for autonomous heating for several years now. Boilers of this brand are characterized by reliability, versatility, high level of automation and impeccable workmanship. The power of manufactured units varies from 16 to 35 K.

Gas boilers are specially designed for Russian conditions, where the pressure in gas mains is not stable and sudden temperature changes occur. In our country, Korean gas heating devices can be sold under the Saturn brand.

The functionality and practicality of Navien double-circuit gas boilers is known far beyond the borders of South Korea. All equipment is ideal for providing heat to residential premises, offices or industrial buildings.

About heat exchangers

Note! The main feature that is inherent in all Navien gas boilers is the presence of two heat exchangers. They are isolated from each other, which makes it possible to maintain different temperature conditions in them. This is what makes it possible to effectively use the generated heat

It is recommended to entrust installation to professionals

In double-circuit boilers, preference is given to hot water supply. In this case, the temperature can be set manually directly for each case. When a hot water tap is opened, the device switches to heating water and remains in this mode until the tap closes.

In addition, all elements of double-circuit boilers for individual heating systems are resistant to corrosion, as they are made of stainless steel. And this additionally guarantees a long period of operation of the unit.

Another important advantage of Navien products is their relatively low cost. Therefore, such technology is available to almost all categories of the population.

Both heat exchange circuits in heating devices are resistant to contamination. They reliably resist scale formation. This ensures high performance and protects the unit from breakdowns. In addition, all units are accessible and easy to maintain.

About other control systems

The gas boiler from South Korean manufacturers is equipped with an NR-15SR thermostat. This allows consumers to independently set the optimal temperature in the room or the temperature of hot water in the DHW system.

New technologies and innovations in this area have made it possible to develop the SMPS (method of switching power supply) chip. It reliably protects the boiler from changes in the electrical network within 30% of the normal voltage of 220 V, thereby extending its service life.

Range of boilers

The device has a sensor that regulates air pressure (APS). His job is to control the supply of the required amount of its complete combustion. Therefore, combustion of the gas mixture occurs stably, thereby reducing its consumption.

Navien heating devices are designed for uninterrupted and efficient operation even under conditions of reduced gas pressure - 4 bar.

When the temperature drops below +5 degrees, the boiler turns on the antifreeze system, as a result of which the circulation pump automatically starts. With constant movement of water in the pipes, freezing is impossible.

A gas boiler made in South Korea can operate fully even with low inlet water pressure in the system, which usually affects multi-storey buildings.

About turbocharging

Each double-circuit boiler from the best Korean manufacturers is equipped with a special device in the form of fans that provide air under pressure.

Thanks to this development by Korean specialists, the gas combustion coefficient is quite high, which has a beneficial effect on efficiency. Air supply is controlled thanks to automatic systems equipped with pressure sensors.

About balancing the working mixture

Smoke exhaust pipe

The company's specialists pay great attention to the design of new models, as well as control of all production processes. The tandem of these components answers the question why gas double-circuit units of the NAVIEN brand have such impeccable quality.

A professional approach to the development of each detail, taking into account the most insignificant subtleties, made it possible to achieve the supply of a well-balanced working mixture to the combustion chamber.

Distinctive features of Korean gas boilers

Previously, boilers were not connected to the electrical network, since heating worked on the principle of an open system. Hot water rose through the pipes according to the laws of physics. But all this worked slowly, ineffectively, and only with a house area of ​​no more than 90-100 m2. That's why they came up with a closed system. Modern boilers are equipped with circulation pumps, turbines and control boards. They all run on electricity.

Who are the world leaders in electronics? USA, China, South Korea and Japan. Other heating equipment manufacturers purchase spare parts from these countries. If you don't believe me, then open any European boiler. On the control board, all relays and transistors will be marked “Made in China” or “Made in Korea”. Of course, there are also Japanese spare parts, but much less often. And I’m generally silent about the USA.

Only the price of Korean boilers is much lower than that of German or Italian ones. And with proper installation and operation, their service life is not much shorter; most models have been working without problems for 10-14 years. By the way, spare parts will also be cheaper. In addition, Korean manufacturers boast a variety of models. For example, Daewoo has wall-mounted double-circuit boilers with such power that they can heat up to 450 square meters of area. The famous German manufacturer Vaillant does not have such powerful wall-mounted models in its line.

Typical internal structure of Korean gas wall-mounted boilers using the example of Navien DELUXE-24K COAXIAL. Standard layout, the simplest materials, steel pipes and plastic connections.

However, the quality of components and assembly, and often efficiency, are not comparable to German, Japanese or Italian models - this is a fact. But that’s why they’re budget-friendly.

Reviews of boilers made in Korea: advantages and disadvantages

I compared many reviews and came to the conclusion that most users point out the same pros and cons. Therefore, for your convenience, I have arranged everything in the form of a table.

As you can see, there are much fewer shortcomings. To be honest, I have not encountered a problem purchasing spare components, but reviews on the Internet say otherwise. Maybe it all depends on the store where you bought the boiler. If this is a service center, they must have spare parts. At least the most popular ones. Therefore, be sure to clarify this question where you want to buy equipment.

Model range of Kiturami gas boilers

The heating systems of this Korean company can easily compete with well-known European brands. With their functionality they can easily compete with Italian and French manufacturers, and with their reliability and quality - with Czech and German ones.

The line of wall-mounted dual-circuit equipment includes the following models:

1. Kiturami Twin Alpha is a gas device with heat exchangers made of copper and aluminum. It has a forced air injection system and removal of combustion products. You can precisely set the settings for boiler operation using several mode options. The design is equipped with a protection system against overheating of the coolant and against gas entering the room.
2. Kiturami World Plus - the equipment was specially adapted for Russian working conditions. This model was the first to be equipped with a proprietary gas burner with internal combustion, which ensures complete combustion of fuel and, as a result, saves gas. The devices of this model include a remote thermostat. The gas boiler is equipped with a controller, with which the room heating mode can be programmed to suit individual needs.
3. Kiturami World 3000 - double-circuit designs with copper heat exchangers and a coaxial chimney. After purchasing nozzles, the device can be converted to operate on liquefied gas.
4. Kiturami World 5000 - gas heating systems with which you can heat a room with an area of ​​up to 350 square meters. m. The device is able to automatically maintain an optimal climate even after a sharp drop in temperature. The built-in circular pump will prevent the system from freezing. The control unit is equipped with a gas leakage protection system. In the event of a sharp decrease in gas pressure, overheating of the heat exchanger, or a power outage, the equipment safety system automatically stops the gas supply.

The main rule of the manufacturer of gas boilers in this line is strict consideration of build quality and ensuring easy installation of the system and its simple operation.

Navien - leading Korean manufacturers of power equipment

This South Korean company is one of the leading ones at present, and boilers from this manufacturer are in great demand among Russian owners of private houses. Reviews for Korean Navien gas boilers were initially quite bad, but the company took certain measures and improved the quality of its devices.

Initially, Navien supplied only air conditioners and convectors to the Russian market. Russian citizens became acquainted with heating equipment in 2007.

The model range is represented by double-circuit gas and diesel boilers in wall-mounted and floor-mounted versions.

We recommend: Draft regulator for the boiler - how to install, do-it-yourself setup

Gas condensing boiler Navien NCN

SeriesDescription

Korean manufacturers

Korean manufacturers such as Kiturami, Navien, Daewoo have long gained popularity in the domestic market. They offer the consumer a fairly wide range of products that are durable and reliable.

For those looking for high-quality heating equipment, you should pay attention to the following brands from Korea:

1. Kiturami. This manufacturer is a worthy competitor for European companies. The functionality of these boilers is in no way inferior to the French and Italians, and in terms of reliability - to the Germans and Czechs. One of the main advantages of Kiturami boilers is a very accessible interface, thanks to which everyone, even pensioners, can use such equipment.
2. Navien. This manufacturer has the most numerous lines. These boilers are designed for conditions where there is no stable voltage. That is why they are so often installed in holiday villages, where there are not only problems with voltage, but also with pressure in the gas and water supply systems. The manufacturer coats the inside of the heat exchangers with a special anti-corrosion solution, which significantly extends the service life of the units. In general, all Navien boilers have similar performance characteristics, except for power.
3. Daewoo. One of the distinctive features of this company is its compactness. Therefore, these boilers are convenient to install not only in houses, but also in apartments. There are models that can cope with an area of ​​up to 400 sq.m. These boilers can be used as main or auxiliary heat generators. To increase efficiency and reduce fuel consumption, the devices are equipped with a gas supply modulator and an electronic timer. All devices are adapted to work with natural and condensed gas.

All these companies occupy approximately the same position in the ranking of popularity and reliability. But also, all their equipment has a slight difference in price - from 350 to 420 dollars.

Daewoo – compact gas equipment

Double-circuit wall-mounted boilers from this manufacturer are distinguished by their reasonable price, compactness, programmable operating mode and an expanded list of built-in protections. In addition to these advantages, Daewoo gas boilers have many other advantages:

1. They can be used for heating rooms with an area of ​​up to 400 square meters. m.
2. The boilers can be connected to a powerful heating system.
3. The devices are small in size, so they easily fit in almost any room.
4. The units have simple controls that even a child can handle.
5. Using a gas supply modulator and an electronic timer, which is equipped with a double-circuit boiler, you can significantly reduce fuel consumption and increase efficiency.
6. Wall-mounted appliances can operate on natural and liquefied gas.
7. Using a patented device, the supply of coolant in the hot water supply and heating system is uninterrupted.
8. Daewoo designs are equipped with a switching power supply, which effectively protects the system from breakdowns in the event of sudden voltage changes.

If necessary, the equipment can be equipped with a remote control. With its help, you can control the operation of the device at a distance of up to fifty meters.

Daewoo

Daewoo is characterized by the production of boilers with low cost, compactness, the operating mode in these devices is programmable, and they are also easy to operate.

Household appliances from the South Korean company DAEWOO are famous all over the world, so Russian consumers choose a gas boiler of this brand as a result of their trust in the company.

Wall-mounted gas boiler Daewoo with remote control panel

The gas boiler requires periodic cleaning.

Olympia – wall-mounted boilers with built-in flow-through heat exchanger

Boilers operating on gas and liquid fuel are produced under the Olympia brand.

The Olympia concern began to conquer the domestic market since 1995. Diesel boilers have been on sale since the beginning of 2000.

ModelsDescription

Prices: summary comparison table

It is difficult to say which Korean boiler is better. But the choice is quite large. First you need to decide on the installation method. Then choose between an open and closed combustion chamber. If you are planning to install a boiler, you should take a closer look at single-circuit models. If there is no separate water heater, a double-circuit boiler will do. And after that you need to determine the power, brand and model.

Korean boilers have long proven themselves on the Russian market. They are simple and inexpensive to maintain. Knowing their cost, you need to be objective about quality and durability; you don’t need to worry if some kind of malfunction is discovered. Everything breaks down, including the most expensive equipment. You don't throw away your car if it breaks down. It's the same with the boiler. If it is installed correctly and maintained on time, it will work for many years without causing problems.

Gas boilersBoilersOverviewBoiler manufacturers

Features of operation

KoreaStar boilers, being productive and reliable, have advantages and disadvantages characteristic of any equipment with a closed firebox:

• Noisy. The reason is the operation of the fans. With their help, air is pumped and removed from the coaxial chimney. A distinctive feature of all forced-air burners is noisy operation. It is advisable to install such heaters away from living rooms.
• The water in the hot water supply is heated separately from the coolant. A three-way solenoid valve increases the heating speed and ensures a uniform supply of water at any pressure in the water pipes.
• When the coolant cools down to +5 °C, the boiler automatically starts, preventing defrosting of the heating system.
• Energy dependence. The instructions for use of KoreaStar heaters say that they are capable of operating under voltage surges of up to 15% of the nominal value. But in practice there are problems, the controller board fails. Installing an uninterruptible power supply will help prevent breakdowns.
• Before connecting the device, you need to obtain permission and order design documentation from the gas service.

Error codes and malfunctions

In case of any problem with the boiler, the user should first look at the instructions. Most errors are listed by the manufacturer. It’s just not always clear how to eliminate them. We recommend immediately rebooting the equipment:

• Press the reset key;
• Wait for the boiler to resume operation;
• Make sure the characters disappear from the screen.

If nothing has changed, start looking for a breakdown. The table below shows solutions for different problems.

Unfortunately, not all problems with Koreastar heating equipment are indicated by a code on the display. Users complain that the devices are sensitive to voltage surges, which often affects the control board. And this despite the manufacturer’s assurances of stable operation during any surges. Therefore, when choosing “Koreastar”, it is worth additionally connecting a stabilizer.

Experts recommend annual breakdown prevention. Clean the unit from dirt, scale, and carry out a technical inspection.

Tips and tricks for choosing

Coreastar boilers can operate at gas drops of up to 4 mBar and are resistant to voltage surges. The models are distinguished by stable DHW heating and are intended for domestic use.

Koreastar products should be selected for rooms with a maximum heated area of ​​up to 320 m² and the need to provide hot water for domestic needs.

Installation

Before installing the device, you should make sure that it runs on natural gas. If you plan to use liquefied gas, you need to readjust the heater - this should be done by a specialist. A power supply with parameters of 220 V/50 Hz must be supplied to the installation site of volatile models. Deviation of parameters from the norm leads to decreased performance and reduced service life.

It is prohibited to connect other electrical appliances to the boiler power source. It is also prohibited to use extension cords and adapters when connecting. Violation of safety standards may result in a fire.

Model rating

Korea is ready to present a fairly wide range. If you have financial problems, then Korean gas boilers will help solve the problem of heat and hot liquid for relatively little money.

And now a review of products from Korea:

1. Navien Deluxe 13k Turbo. Thermal power indicator is 13 kW, maximum working area is 130 sq.m., efficiency is 91%, the highest heating thermal index is 80 degrees, productivity is 12.4 liters per minute. The design has a blower fan, an 8-liter expansion tank and a circulation pump. This sample is designed to work in domestic conditions, that is, with unstable voltage or pressure - the boiler functions freely at levels up to 0.025 Bar. Approximate price – 31,500 rubles.

1. Kiturami TWIN Alpha 25. Thermal power indicator - 29.1 kW, limit pressure - 3 bar, fuel consumption - 2.97 cubic meters. at one o'clock. The heating range of hot water supply is from 35 to 60 degrees, the heat regenerator material is almost 100% copper. Dimensions – 730x486x210mm, weight – 29 kg. The sample has the functions “Sleep”, “Shower”, “Absence”, which allow you to use fuel economically. The control units are equipped with special sensors that detect gas leaks in order to immediately turn off the boiler. When the outside temperature drops sharply, the boiler automatically adjusts its operation. There is even an “Earthquake” option, which in an emergency simply stops the gas supply. There is a built-in air separator and a 7-liter expansion tank. Approximate cost: 50,500 rubles.

1. NAVIEN Ace TURBO Coaxial 16k. Power indicator - 16 kW, heat exchanger material - stainless alloy, productivity - 13.8 liters per minute, maximum withstand pressure - 3 bar, noise level - 40 dB. It runs on natural gas, but with the help of special modules, the device can be switched to condensed fuel. Fuel consumption: natural – 1.72 cubic meters. per hour, condensed - 1.43 cubic meters. at one o'clock. There is a built-in expansion tank of 8 liters. The boiler is designed for 160 sq.m. or 450cub.m. Thermal range: for heating - from 35 to 80 degrees, for hot water supply - from 35 to 80 degrees. This sample is only suitable for coolant - liquid, antifreeze is prohibited. Dimensions – 722x440x265mm, weight – 29kg. Approximate price – 29,000 rubles.

1. Daewoo DGB-200 MCF. Power range - from 14 to 23.3 kW, type of operation - conventional, limited working area - 235 sq.m., efficiency - 91%, hot water production (liquid heating - 40 degrees) - 8.3 liters per minute, conversion chamber category fuel - open. There is auto-ignition and flame modulation. But this model does not have a blower fan or expansion tank. Thermal index range for heating: minimum – 40 degrees, maximum – 85 degrees. Range of indicators for hot water supply: minimum - 35 degrees, maximum - 60 degrees. The model runs on natural and condensed fuel, and the consumption will be as follows: natural gas - 2.4 cubic meters. per hour, liquefied gas - 2.1 cubic meters. at one o'clock. The device comes with a remote control, although there are no connectors for connecting external control. The case is equipped with an information display. The sample also has all the necessary protection systems - against pump blocking, against freezing and overheating, against three-way valve braking, gas control, and air venting. Dimensions – 496x356x750mm, weight – 35kg. Approximate cost – 85,000 rubles.

1. Navien Ace-24K. Power range - from 9 to 24 kW, efficiency - 91%, heat exchanger material - stainless alloy, expansion tank - 6.5 liters, noise level - 40 dB. Gas consumption range: natural – 2.58 cubic meters. per hour, condensed - 2.15 cubic meters. at one o'clock. Thermal coverage: for heating - from 35 to 85 degrees, for hot water supply - from 35 to 65 degrees. The boiler is also equipped with a heat sensor, which allows you to install a climate control system. Dimensions – 695x265x440, weight – 29 kg. Approximate price – 32,500 rubles.

1. Olympia OLB-250 GR. Type of operation - convection, burner - gas, power range - from 25 to 29 kW, fuel consumption - 2.7 cubic meters. per hour, efficiency – 91%, maximum heated area – up to 290 sq.m. (but it is better to use for houses up to 250 sq.m.). Control is carried out electronically. The device can operate not only on gas, but also on diesel fuel. The coolant can be heated up to 85 degrees. The case is equipped with a display, the kit includes a remote control, and it is possible to connect external control. For safe operation, the sample is equipped with functions of protection against overheating and freezing, and gas control. Dimensions: 405x905x680mm, weight – 82 kg. The approximate cost is 55,800 rubles.

1. Navien Ace-16K. Draft type - forced, power range - from 9 to 16 kW, hot water production - from 8.1 to 13.8 liters per minute, ignition type - automatic, largest area - 160 sq.m., efficiency - 91%. The work takes place on both natural and condensed fuel, and the consumption will be as follows: natural gas - from 0.98 to 1.72 cubic meters. per hour, condensed gas - from 0.85 to 1.43 cubic meters. at one o'clock. Thermal range: when heating - from 40 to 80 degrees, when supplying hot water - from 30 to 60 degrees. The model is designed to work with water only – antifreeze is not suitable here. The device has a special chip that protects it from voltage surges (-+30%). The case is equipped with a liquid crystal screen. There is also a built-in flue gas exhaust system, which significantly increases the level of operational safety. Dimensions – 440x695x265mm, weight – 28 kg. Approximate price – 35,000 rubles.

1. Koreastar Premium 24E. Type of operation - convection, thermal power range - from 8 to 24 kW, maximum working area - 240 sq.m., efficiency - 92%. Fuel consumption: natural gas – 2.62 cubic meters. per hour, condensed gas - 2.03 cubic meters. at one o'clock. Hot water production: when the liquid is heated at 25 degrees - 13.6 liters per minute, when the liquid is heated at 30 degrees - 11.3 liters per minute. The device is controlled by built-in automation. There is a built-in circulation pump and an 8-liter expansion tank. The housing is equipped with a display that displays operating functions. Dimensions – 440x742x235mm, weight – 35kg. Approximate price – 30,000 rubles.

1. Navien NCN-32K. Type of chimney - coaxial (but it is possible to install a separate chimney), heat regenerator material - stainless alloy, largest working area - 300 sq.m., type of draft - forced, hot water production (fluid heating rate 40 degrees) - 13.2 liters per hour minute, ignition type – automatic, power range – from 7 to 34 kW, efficiency – 98%. “Refueling” consumption: natural fuel – 3.21 cubic meters. per hour, condensed fuel - 2.41 cubic meters. at one o'clock. Thermal range: for heating - from 30 to 90 degrees, for hot water supply - from 30 to 65 degrees. There is a built-in expansion tank of 6.5 liters. The equipment is intended for use with water only. This boiler can be used not only in homes, but also in small businesses. The kit includes a remote control with an LCD display, as well as a backlit screen. Dimensions – 440x695x370mm, weight – 38kg. Approximate cost – 85,000 rubles.

1. Navien NCN-40K. Type of chimney - coaxial, type of draft - forced, category of fuel conversion chamber - vacuum-closed, type of ignition - automatic, thermal power indicator - 40 kW, efficiency - 99%, maximum working area - 400 sq.m., production of hot water supply (when the liquid is heated in 25 degrees) - 23 liters per minute, the highest pressure in the heating circuit is 3 bar, Temperature range: for heating - from 30 to 90 degrees, for hot water supply - from 30 to 65 degrees. There is a built-in 6.5-liter expansion tank, protection against freezing and overheating. The device is also equipped with a system for monitoring violations of coolant circulation. This sample has quite impressive performance characteristics, so it is better to install it in industrial enterprises. The control panel houses a liquid crystal display that displays all digital information. Dimensions – 440x695x370mm, weight – 38kg. Approximate price – 100,000 rubles.

1. Navien Deluxe 24k Coaxial Turbo. Category of fuel conversion chamber - vacuum-closed, power indicator - 24 kW, ignition type - electric ignition, hot water production - 13.8 liters per minute, maximum heating area - 240 sq.m., heat regenerator material - stainless alloy, efficiency - 90%. Fuel consumption: natural gas – 2.58 cubic meters. per hour, condensed gas – 2.15 cubic meters. at one o'clock. Thermal range: for heating - from 40 to 80 degrees, for hot water supply - from 30 to 60 degrees. There is a built-in blower fan and circulation pump. The model is only suitable for liquid coolant. Dimensions – 695x440x265mm, weight – 28kg. Approximate cost – 36,000 rubles.

People are accustomed to trusting foreign manufacturers more. And this mainly applies to brands from Italy or Germany. But Korea or China are immediately perceived with skepticism. But when there is not enough money to buy a well-known brand, the consumer makes a compromise and purchases cheaper equipment. And here comes the surprise - it turns out that Korean manufacturers are capable of making high-quality boilers, and you can pay less for them. The price of Korean boilers attracts with its affordability.

The best Korean manufacturers and models: characteristics and prices

In Korea, several companies produce heating equipment. But the boilers differ not only in name. Almost every company has its own characteristics that set it apart from its competitors. Therefore, I want to talk about each of them in more detail.

Navien

One of the best and most common Korean gas boilers for heating a private home. It is also in good demand on the Russian market. The variety of models is impressive: wall-mounted and floor-mounted, single-circuit and double-circuit, atmospheric and turbocharged, convection and condensation. Gas Naviens are also known for their reliability (although there are exceptions). These are the boilers I had in mind when I talked about the availability of spare parts. They are almost always there...

I would like to debunk a couple of myths that for some reason sellers constantly talk about. Firstly, I have often come across the opinion that Navien boilers have a built-in stabilizer. This is wrong. Yes, there is protection against voltage surges. But almost all Korean boilers have the same protection. Secondly, the heat exchanger in wall-mounted boilers is not made of stainless steel. This is steel with an anti-corrosion coating. Well, in general, they are very good boilers that are worthy of attention.

Model Navien Deluxe-24k.

The most popular model is Navien Deluxe-24k - a wall-mounted double-circuit boiler with a closed combustion chamber with a power of 24 kW. Efficiency is 90.5%, and maximum gas flow is 2.58 m3/hour. The water circuit is designed for operating pressure up to 3 bar, so the boiler can be installed in almost any heating system. It can be controlled using a remote control. The only drawback is the poor quality of assembly and fastening materials, which makes the boiler quite difficult to disassemble after years of operation. Cost: 29,000-31,500 rubles .

Model Navien GA 23KN.

Among the floor-standing models, it is worth noting the well-known Navien GA 23KN - this boiler is also a double-circuit boiler. The advantage is the large diameter of the pipes and a massive, more durable heat exchanger that will not clog even when installed on an old metal heating system. Cost: 36,900-39,000 rubles .

Kiturami

The company has been producing heating equipment for a long time. The line also includes a large selection of models: floor and wall, convection and condensation. A characteristic difference is the presence of advanced, but at the same time easy-to-control automation. Many models are equipped with a remote control, and most importantly, a programmer that allows you to set the boiler operating mode for a day or a week and significantly reduce gas consumption at night or when the owners are away from home. They are similar in efficiency and reliability to Navien. At the same time, wall-mounted models still belong to the budget price segment (up to 30-33 thousand rubles).

Model Kiturami TWIN ALPHA-20.

The most successful wall-mounted model is the Kiturami TWIN ALPHA-20 - the device of this model is distinguished by a special low-noise fan, and the ignition is relatively quiet. There is a remote control and a programmer. Otherwise, the model does not stand out in any way; it has a standard device, like more than 70% of gas mounted boilers. The only drawback is the lack of a “Summer” mode. Cost: 29,000-31,000 rubles .

Kiturami floor-standing models are considered not entirely successful and practical, since having a not-so-budget price, they are designed in a very simple way.

The most common example is Kiturami TGB-30R - a double-circuit boiler with a thermal power of 35 kW. The heat exchanger is steel, there is no programmer, although there is a room thermostat, noisy operation. However, regarding reliability: for more than 10 years of operation there are practically no serious service complaints. Cost: 65,000-66,000 rubles .

How to calculate the required boiler power Individual calculation, formula and correction factors

DAEWOO

Unusual-looking boilers, more square and austere. The company produces exclusively wall-mounted equipment. They differ in power, number of circuits and method of gas removal. Condensation models are also available. Among the disadvantages, users highlight the rather noisy operation. I agree with them, but this applies more to previous generations of boilers. Now they are noticeably quieter.

One of the advantages is the adjustable power thanks to the modulating burner. If you lower it, the boiler will consume less gas. This is useful in small areas. Also, many models are equipped with a remote control, but without a programmer. A special feature is also more corrosion-resistant, heat-conducting heat exchangers. However, in terms of cost, Daewoo boilers can hardly be classified as budget ones, which is definitely a disadvantage.

Model Daewoo DGB160MSC.

The most famous wall-mounted boiler is Daewoo DGB160MSC - a standard convection boiler with a closed combustion chamber. Control using a remote control. Has two separate heat exchangers. The main one is made of copper. Disadvantages: price, noise and high requirements for installation quality. Cost: 33-42 thousand rubles . There is also a condensing option - Daewoo DGB160MES, but it is even more expensive, in domestic conditions it hardly pays for itself, and it is extremely difficult to find it on sale today.

KoreaStar

These boilers are distinguished by the fact that they are equipped with not only Korean spare parts, but also European ones. The company itself talks about the use of silent circulation pumps. This is true. But the noise is usually created not by the pump, but by the fan, which is installed in turbocharged models to remove combustion products. Therefore, such an advantage is doubtful.

But the double protection of the heat exchanger from overheating is worthy of attention. This method significantly extends the service life. KoreaStar produces floor-mounted and wall-mounted models, as well as turbocharged and naturally aspirated ones. But they don’t have condensing boilers in their lineup.

The only problem is that today in Russia the choice is limited to only a few floor-standing models; wall-mounted ones are almost impossible to find even in warehouses. The service structure is also not very developed. The most successful floor-standing model is KoreaStar Buran 10 - the simplest floor-standing atmospheric single-circuit boiler with a steel heat exchanger with a capacity of 10 kW.

Model KoreaStar Buran 10.

Does not require connection to the electrical network, designed for operating pressure up to 3 bar. The cost is only 19,000-22,000 rubles .

Olympia

The company mainly offers diesel heating equipment. But gas models are also present. Particular attention is paid to the quality of the gas burner. Not bad boilers, but not particularly represented on the Russian market. If you are planning to buy equipment from this company, be sure to check the availability of spare parts and the possibility of service.

Wall-mounted models are relatively inexpensive. But floor-standing ones can cost 50,000 rubles.

• Olympia OLB 200 WGR - wall-mounted and dual-circuit, power 20 kW. To be honest, it looks a little like Daewoo, but I don’t like the design.
• Olympia OLB 250 GR - this double-circuit floor-standing boiler has a power of 25 kW. The main heat exchanger is made of steel.

How to clean a gas boiler and extend its service life: detailed instructions

Reviews

Valery Garengov, 37 years old, Samara

5 years ago we bought an apartment (52 sq.m.), where a Korean boiler was already installed. On the one hand, we were very pleased, because it turned out that we did not have to spend money on such equipment. But on the first night, when my husband came home after work and my child and I were already asleep, it turned out that the device was quite loud. The boiler is just hanging on the wall in the toilet, but now we are planning to make a cabinet for it. Maybe this will help reduce the noise. And the alloy boiler is excellent - it heats the water quickly and provides sufficient heating for a two-room apartment (the radiators are made of aluminum). Every fall we call the technicians for a preventive inspection and commissioning, and we have never had a problem with this boiler.

Anastasia Varenkova, 32 years old, Ufa

But I was not satisfied with the Korean acquisition. I picked up a sample from economy class, so I was immediately attracted to Korean products. My house is 45 sq.m., so there was no point in purchasing a powerful device. As a result, I took Navien. The first season went without problems, which I was very happy about. For the second season I decided to change the coolant - switch from liquid to antifreeze. I called the technicians for this, and then started up the equipment. Literally after a month of work, problems began - the heat regenerator leaked, some kind of circuit board burned out. I won’t talk about how much I spent on repairs. But recent experts have clarified that Korean boilers are not suitable for working with antifreeze, only with water. Now I’m thinking, what’s cheaper - change the coolant category again or buy a new boiler, a boiler that can work with antifreeze?

Mark Gnyashchenko, 49 years old, Tyumen

I bought a Navien Ace-16k last year. Among the advantages, I would like to immediately note the presence of a remote control, which provides ease of use. But there is a decent amount of noise here, and the cord at the remote control is somewhat short. Although for us this is not so important. But for a house of 80 sq.m. its power is enough. Since the boiler is connected to a central gas main, I know what problems there are with pressure. The previous unit often failed for this reason. And this boiler is capable of operating not only at a reduced value, but also has protection against gas pressure changes. Now I’m thinking of moving it to the basement, making a boiler room out of it.

Korean or European gas boiler.

Hello everyone who is reading this article! It will touch upon the topic of choosing gas boilers from Korean or European manufacturers. From my work experience, I know that buyers often have the question: “Which gas boiler is better to buy? Korean (cheaper) or European more expensive, but made under a well-known brand.” Let's figure this out together. For the sake of brevity, we will limit ourselves to wall-mounted gas boilers. If any of the readers are interested in the design of wall-mounted gas boilers, then follow the link to the corresponding article on my blog! Let's start with the main difference - the price!

Why is a Korean boiler cheaper than a European one?

Actually this is not always the case. I have come across expensive Korean boilers, the prices of which were even higher than the top European models. I will not disclose the name of the manufacturer so as not to give him free advertising.

However, in general, Korean boilers cost less than their European counterparts and this is due to two factors:

• Cheaper labor
• Saving on components.

Cheaper labor does not mean that Korean pots are assembled by illiterate peasants for a cup of rice a day. It’s just that people in Korea earn less, but still have the necessary qualifications (at least from large firms). But with the quality of components the issue is more complicated. It's no secret that high-quality materials are expensive, and if you want to save money, you have to look for a replacement. For example, expensive copper heat exchangers are being replaced by cheaper ones made of stainless steel (we are talking about plate heat exchangers). The same applies to brass parts, which are replaced by polymer ones. I myself saw a Korean boiler in which the heat exchanger is connected to the circulation pump using a rubber hose, and the hose itself is tightened onto the pipe with a regular car clamp. All this raises questions about the reliability of the equipment.

Another interesting point - all (that I saw) Korean boilers were double-circuit.

Now let's move on to considering individual components on Korean and European boilers.

Heat exchangers for Korean and European boilers.

As mentioned above, many Korean manufacturers use cheaper stainless steel plate heat exchangers. Such heat exchangers have thinner walls than their copper counterparts. Thin walls shorten the life of this expensive unit. I know of cases where Korean heat exchangers failed even before the end of the warranty period, and this was due to the use of an “anti-freeze” based on ethylene glycol or propylene glycol as a coolant. The fact is that such liquids dissipate heat worse than ordinary water. Therefore, the walls of the heat exchanger begin to overheat and eventually burn out faster. In addition, there were cases when, due to overheating of such a coolant, precipitation fell inside the heat exchanger, which also led to its failure. Because of all these troubles, warranty centers strictly prohibit the use of such coolant in their boilers.

As for the “Europeans,” they are more tolerant of the use of such liquids, but they give strict instructions regarding the chemical composition and concentration of coolants. In case the user violates their recommendations. They refuse to do warranty repairs

Stainless steel heat exchanger Copper heat exchanger with a special protective coating.

Hydraulic group and circulation pump.

Now let's talk about such an important boiler unit as the hydraulic group. A hydraulic group consists of two units (input and output), between which a jumper (bypass) is installed, which is necessary to ensure circulation in the heating system. A three-way valve can be installed at the outlet node to connect an external indirect heating boiler.

The hydraulic group can be made of brass or polymer materials. In the latter case, its cost is significantly reduced due to simpler manufacturing technology. But the question of the reliability of such materials remains open. My personal opinion is that brass is a more reliable and proven material for such important components as a hydraulic group.

As for Korean or European boilers, they have both brass and polymer groups. It all depends on the price category of the boiler. More expensive models have brass, while cheaper ones have plastic.

As for circulation pumps, European boilers use pumps from well-known companies, while for Korean boilers the pumps are made either in Korea itself or in China. This may not affect the quality in any way. Here everything again depends on the price category of the equipment.

The difference in chimneys between “Koreans” and “Europeans”.

Korean and European boilers have significant differences in chimneys. If most European boilers have standard chimneys - coaxial 60/100 millimeters (separate chimneys with a diameter of 80 millimeters can be used), then Korean manufacturers make chimneys with a separate connection to the boiler and a transition to a coaxial pipe. The diameters of chimney pipes can be different:

• 75/100 millimeters.
• 80/110 millimeters.

There is no significant difference here. Both chimneys work well. However, in my opinion, a European chimney is more aesthetically pleasing and easier to install. The Koreans also noticed this and began producing boilers for this type of chimney. Read more about chimneys for gas boilers in my earlier article.

The difference in electronics between “Koreans” and “Europeans”.

Today, the choice of boiler is made not only by power, but also by the functionality that can be provided by this boiler. So, for example, all the Korean wall-mounted boilers that I saw were equipped with a remote control. But in European boilers, only top models have this option. The remote control not only controls the boiler, but also works as a room thermostat, which is very convenient and allows you to save on equipment. Otherwise, the functionality of the boilers is similar. All have modes for adjusting the temperature of the coolant and hot water, summer operating mode, protection against defrosting, and so on. The top models of the “Koreans” have weather-sensitive automation and control via Wi-Fi or GSM.

Budget “Europeans” in this regard are no different from “Koreans”, and top models have various bonuses. For example, built-in three-way valves for connecting a boiler. There is no particular difference in the quality of electronics (among well-known manufacturers). It lasts a long time (if there is a voltage stabilizer) and does not require maintenance.

Summary of the article.

When choosing between a Korean or European gas boiler, you need to focus on the needs of your heating system. If you have a small one-story private house with two water points, then a mid-price Korean double-circuit boiler is quite suitable for you. And if you have a large cottage and you plan to install an indirect heating boiler, then the best choice would be a top-end European boiler with a built-in three-way valve. That's all, write your questions in the comments!

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