How to clean the geothermal filter
As winter approaches, geothermal heating systems become the first choice for many homes. However, the issue of cleaning geothermal filters has also become one of the hot topics recently. This article will introduce you to the cleaning methods of geothermal filters in detail and provide structured data to help you complete the cleaning work easily.
1. The importance of cleaning geothermal filters

The geothermal filter is an important part of the floor heating system. Its main function is to filter impurities in the water and prevent pipe blockage. If the filter is not cleaned for a long time, it will cause the water flow to be sluggish, affect the heating effect, and even damage the floor heating equipment. Therefore, it is important to clean your geothermal filter regularly.
2. Cleaning steps for geothermal filter
The following are the specific steps for cleaning the geothermal filter:
| steps | Operating Instructions |
|---|---|
| 1. Turn off the floor heating system | Before cleaning, be sure to turn off the floor heating system and wait for the water temperature to drop to a safe temperature. |
| 2. Find the filter location | The geothermal filter is usually located near the water distributor. Please refer to the equipment manual for the specific location. |
| 3. Remove the filter | Use a wrench or special tool to gently unscrew the filter housing and take out the filter. |
| 4. Clean the filter | Rinse the filter with clean water, or scrub gently with a soft-bristled brush to remove attached impurities. |
| 5. Check the filter | After cleaning, check whether the filter is damaged. If it is damaged, replace it in time. |
| 6. Reinstall | Reinstall the cleaned filter back into place, ensuring a good seal. |
| 7. Start the system | Restart the floor heating system and check for leaks or abnormalities. |
3. Cleaning frequency recommendations
The frequency of cleaning the geothermal filter varies depending on the usage environment and water quality. The following are recommended cleaning frequencies:
| Usage environment | Recommended cleaning frequency |
|---|---|
| Areas with better water quality | Clean 1-2 times a year |
| Areas with poor water quality | Clean once a quarter |
| Newly installed system | Clean within 1 month after first use |
4. Frequently Asked Questions
The following are frequently asked questions and answers about geothermal filter cleaning:
| question | Answer |
|---|---|
| Do you need professional tools when cleaning the filter? | A common household wrench can be used, no special tools are required. |
| What should I do if there are still impurities after cleaning the filter? | It may be that the filter is aging and it is recommended to replace it with a new one. |
| Will cleaning the filter affect the heating effect? | Heating will be better when cleaned properly. |
5. Things to note
1. When cleaning the filter, be sure to turn off the floor heating system to avoid burns.
2. During the cleaning process, avoid using strong acid or alkali detergents to avoid damaging the filter.
3. If the filter is seriously damaged, it is recommended to replace it with a new one and do not use it reluctantly.
4. After cleaning is completed, check whether there is any water leakage in the system to ensure safety.
6. Summary
Cleaning of the floor heating filter is an important part of floor heating system maintenance. Regular cleaning can not only improve heating efficiency, but also extend the service life of the equipment. Through the introduction of this article, I believe you have mastered the cleaning method of geothermal filter. If you still have questions about the cleaning process, it is recommended to consult a professional technician.
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