Advantages and disadvantages of wall-hung boiler heating

Advantages of wall-hung boiler heating:

1, the heating time can be set freely and can be turned on at any time. The temperature of each room can be adjusted at will within a certain range. Some heating stoves can provide domestic hot water at the same time, saving the use of water heaters and saving money and space.

2. Safe and economical. High safety, in line with the principle of charging by heat, can accurately measure the gas consumption, and the gas consumption can be controlled by users themselves. Gas-saving, household gas-fired wall-hung boiler uses natural gas, liquefied petroleum gas and city gas as energy sources, and the heating area of each household is less than 300 square meters. Can be installed in the kitchen, balcony, basement or attic.

3. Comfortable and convenient. Indoor pipes are connected with radiators, which can realize double supply of heating and domestic hot water at the same time; After installing the indoor thermostat, you can adjust the temperature of different rooms at will; When there is no one at home, just lower the temperature to ensure that the machine and circulating water do not freeze; By installing a timer, you can preset the departure time and feel the warmth of home immediately after you get home.

Disadvantages of wall-hung boiler heating:

1. Double-tube gas-fired wall-hung boiler: due to the lack of plate replacement for secondary heat exchange, domestic hot water is unstable, sometimes cold and sometimes hot.

2. Plate gas wall-hung boiler: The secondary heat exchange of plate heat exchanger solves the problem of hot and cold domestic water, but in areas with high water hardness, plate heat exchanger is easy to scale and block.

3. Condensed gas wall-hung boiler: powerful and energy-saving, but expensive; The service life of the heating furnace is about 15 years, and the renewal cost is borne by the user. When there is no one at home, it is necessary to keep the operation at a low temperature of about 4℃ (anti-freezing), which consumes a certain amount of energy and expenses.

What if the wall-hung boiler is not hot?

1, insufficient hot water. If the pressure is not enough, the working pressure of the floor heating should not be lower than 0.6MPa. When the pressure is lower than 0.6MPa, the floor heating system cannot work, resulting in the floor heating not being hot. It is necessary to re-inject water into the wall-hung boiler to suppress it to not less than 0.6MPa. It is normal that the pressure of the floor heating system often drops when it is just used, because there is gas in the system that needs to be discharged. But if it is still like this after long-term use, it is necessary to ask professionals to investigate and find out the reasons before maintenance.

2. The pipeline is too long. The length of the floor heating coil is needed, not as long as you want. Generally, the floor heating coil in one loop should not exceed 100 m, and the pipe length difference between two loops in the same distribution main should not exceed 20 m, otherwise it will lead to uneven distribution of hot water, resulting in floor heating not being hot.

The coil is blocked. Due to the different water quality, in some areas, after long-term use of floor heating, scale will be produced in the floor heating pipe, blocking the floor heating coil, resulting in floor heating is not hot. At this time, professional floor heating construction personnel should be invited to clean it. In order to avoid this situation, users are advised to install a simple water purification system when installing the circulating water system to prevent the floor heating coil from being blocked by scale.

4. The water pressure in the wall-hung boiler is too low to reach the starting standard. In this case, the wall-hung boiler will automatically give an alarm to prompt pressurization.

5. The wall-hung boiler and floor heating area do not match. Be sure to recognize the heating area when buying. It is suggested that the area of wall-hung boiler is about 80 square meters larger than the actual area. The so-called big horse-drawn car is a good guarantee of effortlessness.