How to deflate heating pipes: Hot topics and practical guides on the Internet in the past 10 days
With the arrival of the winter heating season, the problem of heating pipe deflation has become a hot topic on the Internet recently. Many families are troubled by the lack of heat in their heaters, and venting becomes a key step in solving this problem. This article will combine the popular discussions on the Internet in the past 10 days to provide you with a detailed analysis of the correct method for deflating heating pipes, and attach relevant data for reference.
1. Popularity data of heating-related topics on the entire network in the past 10 days

| Platform | Number of related topics | highest heat index | Main focus of discussion |
|---|---|---|---|
| 1,258 | 856,000 | Reasons why the heater is not hot | |
| Zhihu | 342 | 123,000 | Deflation Operation Guide |
| Douyin | 876 | 120 million plays | Deflation video tutorial |
| Baidu Tieba | 567 | 98,000 | Heating repair experience |
2. The necessity of deflating heating pipes
The accumulated air in the heating system will form an air block, hindering the circulation of hot water, causing the radiator to be cold or partially hot. According to discussion data on the entire Internet, about 78% of the problems of not heating the heater can be solved by correctly deflating the air.
3. Detailed steps for deflating heating pipes
| steps | Operating Instructions | Things to note |
|---|---|---|
| 1. Preparation | Prepare screwdrivers, water containers, and dry towels | Close the heating water inlet valve |
| 2. Position the air release valve | Usually in the upper right corner of the radiator | Confirm valve type (screw or knob) |
| 3. Start deflating | Slowly turn the bleeder valve counterclockwise | Hearing a "hissing" sound means exhaust is being released |
| 4. Observe the water flow | Close the valve immediately when water flows out | Use a container to catch the flowing water |
| 5.Restore the system | Open the water inlet valve and check whether it is normal | Repeat until all radiators are hot |
4. Air release characteristics of different heating systems
| System type | Deflation frequency | special request |
|---|---|---|
| Old cast iron heater | 1-2 times a month | Requires special deflation key |
| New steel heater | 1-2 times per season | Automatic air release valve needs to be inspected regularly |
| Floor heating system | 1 time per year | Requires professional operation |
5. Frequently Asked Questions
Q: What should I do if the heater is still not hot after deflating?
A: It may be insufficient system pressure, blocked pipes or other problems. It is recommended to contact the property management or professional maintenance personnel.
Q: What should I do if the water flow stops when deflating?
A: Close the valve immediately. The bleed valve may be damaged and need to be replaced with a new valve.
Q: Does the automatic air release valve need to be operated manually?
A: It works automatically under normal circumstances, but it is recommended to check whether it is working properly every quarter.
6. Practical tips from popular discussions on the Internet
1. The best time to deflate is in the morning when heating is just starting, when the system pressure is stable.
2. Before deflating, tap the radiator gently to help bubbles float up.
3. If the problem is not solved after deflating for many times, it may be a system design defect and requires an overall inspection.
4. Users in northern areas are advised to conduct a comprehensive exhaust of the system before the heating season.
7. Safety precautions
1. The water temperature may be high when deflating, so be careful to prevent burns.
2. The operation force should be light to avoid damaging the valve.
3. If there is a large amount of water leakage, immediately close the main valve and report for repair.
4. Residents of high-rise buildings are advised to have the property management unit operate the system uniformly to avoid affecting the entire system.
Through the above detailed guide, I hope it can help you solve the problem of your heater not getting hot. If you encounter difficulties during operation, it is recommended to refer to the intuitive tutorials on major video platforms or seek professional help. I wish you a warm and comfortable winter!
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