What should I do if the radiator is blocked? Popular topics and solutions on the Internet in the past 10 days
Recently, with the arrival of the winter heating season, the problem of radiator blockage has become a focus of concern for many families. The following is a collection of hot topics and solutions related to radiators on the Internet in the past 10 days to help you quickly solve heating problems.
1. Common causes of radiator blockage

| Reason | Proportion (discussion popularity in the entire network) |
|---|---|
| Limescale accumulation | 45% |
| Gas blockage (gas blockage) | 30% |
| Blockage by impurities (sand, rust residue) | 15% |
| Valve failure | 10% |
2. Solutions to clogged radiators
According to the hot topics discussed on the entire network, the following are solutions for different causes of congestion:
| Question type | Solution | Operation steps |
|---|---|---|
| Limescale accumulation | Chemical cleaning or physical flushing | 1. Turn off the heating system; 2. Use professional descaler or high-pressure water gun to flush; 3. Refill the water to exhaust. |
| gas blockage | Exhaust operation | 1. Find the exhaust valve of the radiator; 2. Use a screwdriver to slowly open the exhaust valve; 3. Close the valve after the gas is exhausted. |
| Impurities clog | Remove and wash or rinse | 1. Remove the radiator; 2. Rinse the inside with clean water; 3. Reinstall and exhaust. |
| Valve failure | Replace valve | 1. Turn off the heating system; 2. Remove the old valve; 3. Install the new valve and test it. |
3. Answers to the most popular questions on the Internet in the past 10 days
The following are some of the questions that netizens are most concerned about and their professional answers:
| Popular questions | Answer |
|---|---|
| What should I do if the radiator is half hot and half cold? | It may be caused by air blockage or impurity blockage. It is recommended to exhaust the air first. If it doesn't work, it needs to be flushed. |
| How to deal with leaking exhaust valve? | Close the valve immediately, check whether the sealing ring is damaged, and replace the exhaust valve if necessary. |
| Why is the radiator noisy? | Usually the gas is not exhausted or the water flow is uneven, and it is necessary to re-exhaust or adjust the valve. |
4. Tips to prevent radiator blockage
To avoid clogging of radiators, you can take the following precautions:
1.Regular exhaust:Exhaust air at least once a month to ensure there is no gas accumulation in the heating system.
2.Install the filter:Install a filter at the water inlet of the heating system to reduce the entry of impurities.
3.Use demineralized water:In areas with hard water, it is recommended to use softened water to reduce scale formation.
4.Check valves regularly:Check whether the valve is normal before heating every year to avoid blockage caused by valve failure.
5. Professional maintenance suggestions
If the problem is not solved after self-operation, it is recommended to contact professional maintenance personnel to avoid more serious damage caused by improper operation.
Through the above methods, you can effectively solve the problem of radiator blockage and ensure the heating effect in winter. If you have any other questions, please leave a message in the comment area to discuss!
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