What should I do if the radiator is blocked?
With the arrival of winter, the frequency of use of radiators has increased significantly, but the problem of radiator blockage also frequently occurs. In the past 10 days, the discussion on "What to do if the radiator is blocked" has been very popular across the Internet, and many netizens have shared their experience and practical skills in solving the problem. This article will provide you with a detailed solution based on hot topics and hot content across the Internet.
1. Common causes of radiator blockage

A clogged radiator is usually caused by:
| Reason | Specific performance |
|---|---|
| Limescale accumulation | After long-term use, mineral deposits in the water form scale and clog the pipes. |
| air blockage | The air in the radiator is not exhausted, causing the water flow to be sluggish. |
| Impurities clog | Corrosion or foreign matter entering the pipe blocks the water flow. |
| Installation issues | Pipes are tilted or improperly connected, affecting hot water circulation. |
2. Solutions to clogged radiators
For different causes of blockage, the following solutions can be taken:
| Solution | Applicable situations | Operation steps |
|---|---|---|
| Exhaust treatment | air blockage | 1. Find the exhaust valve on the radiator; 2. Use a screwdriver to gently open the exhaust valve until water flows out; 3. Close the exhaust valve. |
| Clean radiator | Blockage with scale or impurities | 1. Turn off the heating system; 2. Disassemble the radiator and soak it in professional cleaning agent; 3. Rinse clean and reinstall. |
| Adjust pipe slope | Installation issues | 1. Check whether the slope of the pipeline is reasonable; 2. Adjust the pipe to an appropriate slope to ensure smooth water flow. |
| Professional unblocking | severe blockage | 1. Contact professional maintenance personnel; 2. Use a high-pressure water gun or professional tools to clear it. |
3. Tips to prevent radiator blockage
To avoid clogging of radiators, you can take the following precautions:
| Precautions | Specific operations |
|---|---|
| Exhaust gas regularly | Check and vent the air once a year before the heating season. |
| Use demineralized water | Reduce scale formation and extend the life of the radiator. |
| Install filter | Install a filter at the water inlet to prevent impurities from entering. |
| Clean regularly | Clean the inside of the radiator every 2-3 years. |
4. Hot topics across the Internet and user feedback
According to the discussion data of the entire network in the past 10 days, the following topics are relatively popular:
| topic | Discussion popularity | Main opinions of users |
|---|---|---|
| DIY radiator cleaning | high | Many users share homemade cleaner recipes such as white vinegar + baking soda. |
| Exhaust valve leaking | in | Some users reported that the valve leaked after exhausting, and it was recommended to replace the sealing ring. |
| Professional repair costs | high | Users are generally concerned about repair prices and are advised to inquire in advance. |
5. Summary
Blocked radiators are a common problem in winter, but with correct treatment methods and preventive measures, they can be effectively avoided or solved. If the problem is more complicated, it is recommended to contact professional maintenance personnel in time to avoid causing greater losses. I hope this article can provide you with practical help and make your winter heating smoother!
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