How to exhaust air from a wall-hung boiler
When the wall-mounted boiler is in use, if there is air inside, it may lead to a decrease in heating effect, an increase in noise, or even damage to the equipment. Therefore, regularly venting air is an important step in maintaining your wall-hung boiler. This article will introduce in detail the methods, precautions and related data of wall-mounted stove exhaust to help you easily solve this problem.
1. The necessity of exhausting air from wall-mounted boilers
If there is air inside the wall-hung boiler, it will affect the circulation efficiency of hot water, leading to uneven heating or unstable equipment operation. The following are the effects of air on wall-hung boilers:
| question | influence |
|---|---|
| Decreased heating efficiency | Air blocks hot water circulation, causing some areas to become unheated |
| Increased noise | Air flowing in pipes creates noise |
| Equipment damaged | Long-term gas accumulation may cause corrosion of water pumps or pipes |
2. Steps to exhaust air from wall-mounted stove
The following are the specific steps for exhausting air from a wall-mounted boiler:
| steps | Operating Instructions |
|---|---|
| 1. Turn off the power | Make sure the wall-hung boiler is powered off to avoid danger during operation |
| 2. Find the exhaust valve | Usually located on the top or side of the wall-mounted boiler, labeled as "exhaust valve" |
| 3. Prepare tools | Prepare a container or towel to catch the drained water |
| 4. Open the exhaust valve | Use a screwdriver or special tool to turn the exhaust valve counterclockwise until you hear the gas escape. |
| 5. Wait for drainage | When the gas is exhausted, water will flow out. At this time, close the exhaust valve |
| 6. Check the pressure | After exhausting the air, check the wall-mounted boiler pressure gauge to ensure that the pressure is between 1-1.5bar |
3. Precautions for exhausting air
During the air exhaust process, you need to pay attention to the following points:
| Things to note | Description |
|---|---|
| avoid burns | Hot water may spray out when exhausting, please pay attention to protection |
| Prevent water leakage | Make sure a container or towel catches the drained water to avoid getting the device wet |
| Regular inspection | It is recommended to perform an air exhaust operation before the heating season every year |
4. Frequently Asked Questions
The following are common questions users have about wall-hung boiler exhaust:
| question | Answer |
|---|---|
| The wall-hung boiler is still not hot after exhausting the air | There may be other faults. It is recommended to contact professional maintenance personnel. |
| Exhaust valve cannot be opened | Do not operate forcefully to avoid damaging the valve and seek professional help. |
| Air exhaust frequency | Usually once a year is enough. If gas accumulates frequently, the system sealing needs to be checked. |
5. Summary
Exhausting a wall furnace is an important step in ensuring your heating system operates efficiently. Through the introduction of this article, you already know the methods, precautions and solutions to common problems of air exhausting. Regular maintenance of wall-mounted boilers can not only extend the life of the equipment, but also improve the heating effect, giving you a more comfortable home experience.
If you encounter difficulties during operation, it is recommended to contact professional maintenance personnel to avoid equipment damage caused by improper operation.
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