What should I do if the water in the radiator makes a loud noise?
With the arrival of winter, the frequency of use of radiators increases, and many users report the problem of excessive water noise from radiators. Not only does this affect the comfort of your home, it may also indicate a malfunction in the system. This article will analyze the reasons for the loud water noise in the radiator and provide solutions to help you solve the problem quickly.
1. Common causes of loud water noise in radiators

Loud water noise from the radiator is usually caused by the following reasons:
| Reason | Specific performance |
|---|---|
| There is air in the pipe | The radiator is not hot locally, accompanied by a "gurgling" sound |
| water flow too fast | The valve opening is too large, causing the water flow to hit the sound |
| clogged pipes | The temperature of the radiator is uneven and the sound of water flow is intermittent. |
| Water pump failure | System pressure is unstable and noise continues |
2. Methods to solve the problem of loud water noise in the radiator
For different reasons, the following solutions can be taken:
| Question type | Solution |
|---|---|
| There is air in the pipe | 1. Use the exhaust valve to exhaust air 2. Exhaust air from the highest point of the system |
| water flow too fast | 1. Adjust the valve opening 2. Install pressure reducing valve |
| clogged pipes | 1. Clean the radiator 2. Clear the pipes |
| Water pump failure | 1. Check the running status of the water pump 2. Replace damaged parts |
3. Measures to prevent loud water noise from radiators
In order to avoid excessive water noise from the radiator, it is recommended to take the following preventive measures:
| measures | Specific operations |
|---|---|
| Exhaust gas regularly | Check and exhaust once a month |
| Control water flow speed | Adjust the valve to a moderate opening |
| Cleaning system | Clean every 2-3 years |
| Check water pump | Check the water pump every year before heating |
4. Professional maintenance suggestions
If the above methods cannot solve the problem, it is recommended to contact professional maintenance personnel. Here are some things to consider when choosing a repair service:
| Things to note | Description |
|---|---|
| View qualifications | Choose a maintenance company with formal qualifications |
| Compare quotes | Get multiple quotes to avoid overcharging |
| Sign a contract | Clarify service content and warranty period |
5. User FAQs
The following are common questions and answers from users about loud water noise in radiators:
| question | Answer |
|---|---|
| What should I do if there is still water sound after exhaust? | It may be that the system pressure is insufficient and the water replenishment valve needs to be checked. |
| Is it normal for the sound of water to be extremely loud at night? | Abnormal, usually indicates there is air or blockage in the system |
| Can I repair it myself? | Simple exhaust can be DIYed, but for complex problems it is recommended to contact a professional |
Through the above analysis and solutions, I believe you can effectively solve the problem of loud water noise from the radiator. If the problem persists, please contact professional maintenance personnel promptly to ensure the normal operation of the heating system.
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