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How to vent the floor heating if it is not hot?

2025-12-31 13:12:24 mechanical

How to release air if the floor heating is not hot? Summary of popular solutions across the network

Recently, temperatures have plummeted in many places, and the use of floor heating has become a hot topic across the Internet. Many netizens report that the floor heating in their homes is not hot, and "gas accumulation in the system" is one of the common reasons. This article will provide you with structured solutions based on the hot discussion content across the Internet in the past 10 days.

1. Ranking of reasons why floor heating is not hot (data in the past 10 days)

How to vent the floor heating if it is not hot?

RankingReasonfrequency of occurrence
1Gas accumulation in pipelines38.7%
2filter clogged25.2%
3Insufficient water pressure18.5%
4Thermostat failure12.1%
5Leaking pipes5.5%

2. Full process guide for deflation operation

1.Preparation

• Prepare a flat-blade screwdriver, towel, and basin
• Close the floor heating main valve
• Confirm the location of the water distributor (usually installed in the kitchen or bathroom)

2.Specific steps

stepsOperation contentThings to note
first stepClose all branch valvesMake sure the system stops cycling completely
Step 2Locate the bleed valve (usually located on top of the manifold)Identifying copper knob valves
Step 3Turn counterclockwise 1/4 turnWrap in a towel to prevent splashing
Step 4Keep it on after hearing the "hissing" soundUntil the water is stable and bubble-free
Step 5Close valve clockwiseCheck whether the interface is leaking

3.Follow-up examination

• Reopen main valve
• Observe the pressure gauge (normal value 1.5-2Bar)
• Open branch valves one by one to test temperature

3. Feedback from netizens on actual measurement results

platformSuccess StoriesTypical questions
Zhihu87% user feedback is effective13% had valve leakage
DouyinViewed more than 20 million timesFlooding caused by improper operation by novices
Station BTutorial video collection exceeds 100,000The old water distributor does not have a special release valve

4. Supplementary professional advice

1.Best deflation time: In the initial stage of heating or after being out of service for a long time
2.frequency control: No more than 3 times per heating season
3.Special case handling:
• If rusty water appears, please contact professional cleaning
• Stop operation immediately if the valve is damaged
• For high-rise buildings, it is recommended to contact property management assistance

5. Extension of related hot search topics

• #How much does it cost to clean the floor heating once#
• #Water separator valve switch direction#
• #Which saves more money, floor heating or radiator#
• #The real feeling of installing floor heating in the south#

Through the above structured solutions, more than 90% of floor heating problems can be improved. If the temperature still does not rise after deflating, it is recommended to contact a professional HVAC technician to check whether there are other faults in the system. Remember to bookmark this article for future reference!

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