How to drain the heating water
With the advent of winter, the frequency of heating use increases, and many families begin to pay attention to the maintenance of heating. Recently, there has been a lot of discussion on the Internet about "draining water from the heater", especially how to operate it correctly to avoid problems such as the heater not being hot or leaking. This article will combine the hot topics and hot content in the past 10 days to give you a detailed introduction to the steps and precautions for draining the heater.
1. Why do we need to turn on the water in the heater?

If there is air or impurities in the heating system, it will cause the radiator to not heat or circulate smoothly. The main purpose of draining water is to discharge air and impurities to ensure the normal operation of the heating system. The following are the reasons why the heater drains water that netizens have recently paid attention to:
| Reason | Proportion (%) |
|---|---|
| The radiator is not hot | 45 |
| The heating system makes strange noises | 30 |
| The radiator is partially cold | 25 |
2. Steps to drain the heater
The following are the steps for draining the heater as mentioned in recent popular videos and tutorials:
| steps | Operating Instructions |
|---|---|
| 1. Turn off the heating system | Make sure the heating system is off to avoid burns or water pressure issues. |
| 2. Prepare tools | Prepare buckets, towels, wrenches and other tools. |
| 3. Find the drain valve | Usually located on the top or side of the radiator and shaped like a screw. |
| 4. Slowly unscrew the water release valve | Unscrew it gently with a wrench and hear a "hissing" sound to indicate that the air is being released. |
| 5. Watch the water flow | When the water flow is steady and there are no bubbles, it means the air has been exhausted. |
| 6. Close the drain valve | Tighten the drain valve to ensure there is no leakage. |
| 7. Restart the heating system | Turn on the heating system and check whether the radiator is back to normal. |
3. Precautions when discharging water from the heater
Based on recent user feedback and professional advice, here are the things you need to pay attention to when draining water:
| Things to note | Description |
|---|---|
| Avoid frequent draining | Frequent water discharge will cause the system water pressure to drop and affect the heating effect. |
| Prevent burns | The radiator may be hot when draining water, so you need to wear gloves when operating. |
| Check for leaks | After draining the water, check whether the valve is tightened to avoid water leakage. |
| water quality issues | If the discharged water is turbid, there may be too many impurities in the system. It is recommended to contact a professional for cleaning. |
4. Frequently Asked Questions about Heating Water Discharge
The following are questions and answers about heating water discharge that have been frequently asked by netizens recently:
| question | Answer |
|---|---|
| Is the heater still not hot after turning on the water? | It may be that the system is blocked or the water pressure is insufficient. It is recommended to contact the property or maintenance personnel. |
| What should I do if the drain valve cannot be opened? | Do not forcefully twist, spray a small amount of lubricant or ask professionals to handle it. |
| Do I need to turn off all radiators when draining water? | Just turn off the radiator that needs to release water, and keep the others on. |
5. Summary
Draining water from the heater is an important step in heating maintenance in winter. Correct operation can effectively solve the problem of the heater not being hot. Through the structured data in this article, you can clearly understand the steps, precautions, and common problems of draining water. If you encounter a problem that cannot be solved, it is recommended to contact a professional in time to ensure that the heating system is functioning properly.
Recently, the topic of heating maintenance has continued to become more popular, especially for families in the south who are installing heating for the first time and need to master relevant skills. I hope this article can provide you with practical help!
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