Whenever autumn comes, residents of private houses check the heating systems, which rested during the summer, for operability. For some owners, it comes as a real surprise to the failure of the operation or interruptions in the operation of the boiler. Before the frost hits, some people hastily look for replacement devices.
Boiler selection
You should not buy the first unit you come across, because it is better to set aside a few days for this in order to study the features and specifications that will allow you to choose the right model. Among other market offers, it is worth highlighting floor gas double-circuit boilers, which are classified according to several criteria, namely:
- functionality;
- kind of coolant;
- ignition method;
- camera type;
- typetraction;
- heat exchanger material;
- volatility.
Before you make a purchase, you should pay attention to the efficiency. For most modern models, this parameter varies from 80 to 92%. But condensation models have a coefficient from 102 to 109%. For some, DHW performance is of great importance. In one minute, the boiler will produce a certain volume of water, which is heated by the equipment to a predetermined temperature. Typically, this value reaches 17 liters per minute, while the minimum water supply is only 2.5 liters per minute.
Heaters can be quite powerful, in which case they give out more than 30 liters per minute. When choosing a floor gas double-circuit boiler, you must also take into account the maximum water temperature. This value is usually 55°C. But the maximum water temperature in the heating circuit can be 90 ° C. If you want to make a choice based on the technical characteristics and features of a particular model, then you need to consider several options for heating equipment. The most popular will be discussed below.
Review of models: "Pechkin KSGV-20"
This equipment has a cost equal to 18690 rubles. It is a floor version of the heating device, which has automation and is to be used indoors. Among them, it is necessary to single out rooms for domestic purposes in apartments andcountry houses.
Operation This floor-standing double-circuit gas boiler is adapted for operation in a closed heating system. The unit has a robust welded construction, a gas outlet pipe and a gas burner with controls. The boiler can be used not only for heating, but also for supplying hot water.
Overview of the technical characteristics of the models "KSGV-20"
The power of this equipment option is 20 kW. The maximum heat input is 24 kW. The allowable natural gas pressure is 0.013 bar. To connect, you may need data such as the diameter of the chimney, it is 120 mm.
At 25°C, the output of this device is 5 liters per minute. Before purchasing any floor-mounted double-circuit gas boiler, you need to inquire about its dimensions. In the case of the described device, the dimensions are 720x340x490 mm. The unit weighs 58 kg. The heating temperature can vary from 40 to 90°C. The maximum consumption of natural gas is 2.45m3/h
Reviews about the model
Quite often, when buying heating equipment, consumers are guided by the reviews of those who have already experienced this or that device. If you are also one of them, you can be sure that consumers note: the unit is adapted to work in a closed system, it operates on natural draft andhas a high efficiency.
Consumers emphasize that the boiler has a large area of heat transfer surfaces. It has low emissions of harmful substances. Installing this unit is very easy. On the back surface you will see threaded pipes, which are used to connect to the heating system.
When consumers consider Russian-made double-circuit gas floor-standing boilers, they especially pay attention to the presence or absence of the ability to adjust and maintain a certain temperature. This model has a thermostat for this, with which you can modulate the flame of the main burner. But with the help of the handle you can control the device. It is located on the front panel.
The unit, according to consumers, is also good because it is unpretentious in maintenance, equipped with modern automation that ensures safety. The equipment operates silently and is characterized by reduced gas consumption. The fuel is gas with a nominal pressure of 1274 Pa. Before installing the boiler, you must make sure that the room temperature is between 1 and 35°C.
Review of the boiler brand "Bear 50 KLZ" from Protherm
If you want to choose the best double-circuit floor gas boiler, then you should pay attention to equipment with European quality. An excellent example in this case is the Bear 50 KLZ model. This unit is manufactured in the Czech Republic and has a rather impressive cost - 144188 rubles. This equipment is installed on the floor, can operate on mains or liquefied gas.
The device is double-circuit, which indicates the possibility of using it not only for heating, but also for hot water supply. The unit has an open combustion chamber, and for the forced removal of combustion products, a fan connection is required. The device provides for a 10-liter expansion tank.
When considering floor-mounted gas household double-circuit boilers, you should definitely pay attention to the material at the base of the heat exchanger. In this case, it is cast iron, which increases the reliability of operation and the life of the device. In order for the coolant to be reliably protected from overheating, the manufacturer took care of the presence of a cooling circuit in the system. Electric ignition guarantees a convenient start-up of the unit.
Specification overview
The capacity of the above boiler is 49 kW. It has a simulated burner. The maximum heat input is 50 kW. Flue gas temperature is 15°C. Liquefied gas during operation is consumed in the amount of 3.8 m3/h.
The heating temperature reaches 85 °C. The connection of a water supply or a boiler is carried out with parameters equal to 3/4 R. You may also be interested in the weight of the equipment. In the case of this model, the mass of the device is especially important, because it is large (210 kg) andrequires a solid foundation. The device belongs to the X4D IP protection class.
Hot water outlet temperature can vary from 40 to 70°C. The maximum consumption of natural gas is 5.2m3/h. Home craftsmen may also be interested in the diameter of the chimney, it is 180 mm. Quite often, consumers also pay attention to the efficiency, it is 92% at 100% thermal power.
Overview of Buderus boilers
The double-circuit floor gas boiler Buderus is offered for sale in several models. Among the main advantages of such equipment should be highlighted:
- ability to keep the room clean;
- easy to manage;
- democratic cost;
- ease of operation;
- availability of additional functions.
Additional advantages of these devices include high efficiency, which sometimes reaches 100%. Boilers have different power ranging from 24 to 28 kW.
Among other offers of the company, one should single out "Logano s111". This boiler is made of high quality steel. But the Logano s825l model can work not only on gas, but also on solid fuel. This product is a three-way fire tube assembly.
If you need to arrange a system with natural water circulation, then you can purchase the Logano g221 20 model, which is perfect for this. Double-circuit floorThe Buderus gas boiler is also offered to consumers in the Logamax u072 24k model, which has a closed combustion chamber. A nice bonus for the consumer is the modern design.
If you want to purchase equipment that will run on liquefied gas or solid fuel, then you can also pay attention to the Buderus g125 25 ws model. This equipment option is a floor gas cast-iron double-circuit boiler. It is noteworthy that all devices meet European quality standards.
Review of Navien GST 35KN brand boilers
This device with an open combustion chamber costs 49310 rubles. The equipment includes advanced technologies in the field of heating, which have been accumulated by the company's specialists for many years. This boiler is quite a powerful tool for creating warmth and comfort in the house. With it, you can also provide hot water.
When considering the floor double-circuit gas boilers "Navien", you should pay attention to the described model, which is no larger in size than other units of this type. Sometimes the dimensions are smaller than those of analogues. This simplifies not only the operation process, but also the installation process. The boiler is offered for sale in two colors - golden and silver. This emphasizes its class and gives the units a rich look, as well as the room where the installation will take place.
What to look for before choosing the Navien model
Assembly is carried out in South Korea. Manufacturer's warranty - 24 months. The unit can workon natural gas. Before purchasing, you need to pay attention to the fact that the boiler does not have weather-dependent automation, as well as a built-in Wi-Fi module.
Review of Baxi floor standing boilers. Model Reviews
Double-circuit floor gas boilers "Baksi" are offered for sale in a wide range. Among other models, SLIM 2.230 i s can be distinguished, the cost of which is 92320 rubles. The power of the unit is 22.1 kW. The efficiency reaches 90%. This device has an open combustion chamber and a sectional heat exchanger. You may be interested in the overall dimensions, which are 850x650x600 mm.
Overview of the boiler from Baksi with an atmospheric burner
If you are considering Russian-made double-circuit floor-standing gas boilers, then you should also pay attention to the SLIM 2.300 i c model, which is similar to the one described above, but has an atmospheric burner. According to the company, this unit is the leader in sales, and its cost is 95,100 rubles. The efficiency is 90%. The power of the device is equivalent to 29.7 kW.
Conclusion
Floor boilers with more impressive power are more expensive than wall models. But with the help of a double-circuit version of the equipment, you can provide not only heating, but also the supply of hot water. However, before making a choice, you must decide what characteristics the device will have. Among others, the area of \u200b\u200bthe heated room should be highlighted. After calculating the power of the unit, you must select equipment that will not work onwear. Indeed, in this case, the boiler will quickly fail, so the power should be taken with a margin.
