How to open the floor heating main valve
With the advent of winter, floor heating has become the main way of heating many homes. However, many users have questions about the operation of the floor heating main valve, especially how to correctly open the floor heating main valve. This article will introduce in detail the opening steps, precautions and FAQs of the floor heating main valve to help you easily cope with your winter heating needs.
1. Basic structure of floor heating main valve

The floor heating main valve usually consists of a water inlet valve and a return water valve, which control the inlet and return water of the floor heating system respectively. The following are common components of a floor heating main valve:
| Part name | Function description |
|---|---|
| water inlet valve | Control hot water entering floor heating pipes |
| Return valve | Control the return of cooled water to the boiler |
| exhaust valve | Used to remove air from pipes |
| pressure gauge | Display whether the system pressure is normal |
2. Steps to open the floor heating main valve
Correctly opening the floor heating main valve is the key to ensuring the normal operation of the floor heating system. The following are detailed steps:
| steps | Operating Instructions |
|---|---|
| 1. Check the system | Make sure there is no leakage in the floor heating pipes and the pressure gauge shows normal |
| 2. Open the water inlet valve | Turn the water inlet valve handle clockwise until it is fully open |
| 3. Open the return valve | Turn the backwater valve handle clockwise until it is fully open |
| 4. Exhaust | Open the exhaust valve and exhaust the air in the pipe until water flows out |
| 5. Check the pressure | Make sure the pressure gauge displays between 1-2bar. If it is insufficient, add water. |
3. Precautions
When opening the floor heating main valve, you need to pay attention to the following points:
1.Slow operation: The valve should be opened slowly to avoid pipe impact caused by too fast water flow.
2.Exhaust gas regularly: The floor heating system needs to be exhausted multiple times in the early stages of operation to ensure that there is no air in the pipes.
3.pressure monitoring: If the pressure is too high or too low, it will affect the floor heating effect and needs to be checked regularly.
4.Avoid frequent switching: Frequent switching of the valve will shorten its service life.
4. Frequently Asked Questions
The following are frequently asked questions and answers from users regarding the operation of the floor heating main valve:
| question | Answer |
|---|---|
| What should I do if the valve cannot be turned? | It may be that the valve is corroded. You can try adding lubricating oil or contact a professional. |
| Is the floor heating hot after it is turned on? | Check whether the exhaust is complete or whether the boiler is working properly |
| The pressure gauge displays abnormally? | If the pressure is too high, it needs to be drained; if the pressure is too low, it needs to be filled with water. |
5. Summary
Correctly opening the floor heating main valve is the key to ensuring efficient operation of the floor heating system. Through the introduction of this article, you should have mastered the steps to open the floor heating main valve, precautions and solutions to common problems. If you encounter difficulties during operation, it is recommended to contact professionals for maintenance to ensure the safe and stable operation of the floor heating system.
I hope this article can help you easily cope with your heating needs in winter and enjoy a warm and comfortable home environment!
check the details
check the details