How to turn off the water in the radiator: Hot topics and operation guides on the Internet in the past 10 days
With the end of the winter heating season or the increase in maintenance needs, how to correctly close the water valve of the radiator has become a hot topic on the Internet recently. This article will combine the hot content of the entire network in the past 10 days to provide you with a structured operation guide and related data reference.
1. Ranking of popular heating topics in the past 10 days

| Ranking | Topic keywords | Search volume (10,000) | Main discussion platform |
|---|---|---|---|
| 1 | Radiator cleaning | 28.5 | Douyin/Xiaohongshu |
| 2 | Floor heating shutdown steps | 22.1 | Baidu knows |
| 3 | Radiator water shut-off valve | 18.7 | Zhihu/Bilibili |
| 4 | Things to note at the end of the heating season | 15.3 | WeChat public account |
2. Operation steps for turning off the water in the radiator
1.Preparation: Before closing, you need to prepare an adjustable wrench, a towel (for collecting residual water), and a record book (to record the original status of the valve).
2.closing sequence:
| steps | Operation content | Things to note |
|---|---|---|
| first step | Close water inlet valve | Rotate clockwise until it stops |
| Step 2 | Close return valve | Close synchronously with the water inlet valve |
| Step 3 | exhaust valve drain | Use a container to catch the drained residual water |
3.Comparison of different types of radiators:
| Radiator type | Difficulty of shutting down water | FAQ |
|---|---|---|
| cast iron radiator | more difficult | Valves are prone to rust |
| Steel panel | medium | Require special tools |
| Copper aluminum composite | simple | High valve sensitivity |
3. Answers to hotly discussed questions across the internet
1.Why is there still a sound of water flowing after closing?
This is a normal phenomenon caused by residual water in the system and usually disappears within 24 hours. If it persists for many days, the valve tightness needs to be checked.
2.Precautions for long-term closure
It is recommended to operate the valve once a month to prevent it from getting stuck. In humid areas in summer, desiccant should be placed to prevent internal corrosion.
3.Latest tool recommendations
Popular reviews on Douyin show that a professional water shutoff tool set with a pressure gauge (price range 80-150 yuan) can increase operating efficiency by 30%.
4. Expert advice
Data from the China Heating Association in 2023 show that turning off the radiator correctly can extend the life of the equipment by 2-3 years. It is recommended that users keep the system full of water during non-heating seasons and only drain it completely under special circumstances.
Through the above structured guidance, you can not only master the correct method of turning off the water in the radiator, but also understand relevant hot information. If you encounter difficulties during operation, it is recommended to contact professional maintenance personnel.
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