What should I do if the floor heating is not hot? ——Comprehensive analysis, investigation and solutions
With the coming of winter, the problem of underfloor heating has become one of the hot topics on the Internet recently. Many users report that the floor heating temperature in their homes is insufficient, affecting comfort. This article combines popular discussions and technical analysis in the past 10 days to provide structured solutions to help you quickly troubleshoot problems.
1. Statistics on common reasons why floor heating is not hot (data from the entire network in the past 10 days)
| Question type | frequency of occurrence | Typical performance |
|---|---|---|
| clogged pipes | 38% | Some rooms are not hot/heat up slowly |
| Insufficient air pressure | 25% | System pressure is lower than 1.5Bar |
| Thermostat failure | 18% | Display is abnormal/cannot be adjusted |
| water separator problem | 12% | Damaged valve/uneven water flow |
| Insulation failure | 7% | Severe heat loss |
2. Step-by-step troubleshooting guide
Step 1: Check basic settings
1. Confirm that the thermostat temperature setting is higher than room temperature
2. Check the system pressure (1.5-2.0Bar is normal)
3. Observe whether the wall-hung boiler ignites normally (indicator light status)
Step Two: Pipeline System Inspection
1. Close the water distributor circuits one by one and check for blocked pipes
2. Touch the pipe to compare the temperature difference
3. Recommended cycle for professional cleaning:
| Service life | Cleaning frequency |
|---|---|
| Within 3 years | Once every 2 years |
| 3-5 years | 1 time per year |
| More than 5 years | 2 times a year |
3. Popular solutions TOP3
1. Self-service exhaust method
① Close all distributor valves
② Open the exhaust valve one by one to drain water until the water flow is stable.
③ The actual measurement success rate of the entire network: 72%
2. Filter cleaning method
① Close the water inlet valve
② Remove the Y-type filter and clean the filter screen
③ After recovery, replenish water to 1.5Bar pressure
3. Thermostat reset
① Disconnect power for 5 minutes
② Reset programming parameters
③ Check the sensor connection cable
4. Judgment Standards for Professional Maintenance
| phenomenon | Suggested handling |
|---|---|
| Many rooms are constantly not hot | Report for repair immediately |
| Obvious abnormal noise in the pipeline | Maintenance within 48 hours |
| Rapid pressure drop | Emergency deactivation troubleshooting |
5. Preventive maintenance suggestions
1. Do a system pressure test before the heating season
2. Check the manifold valve flexibility monthly
3. Keep the floor heating area ventilated and dry
4. Use special cleaning agent for floor heating (pH 6-8)
Recent hot cases show that 90% of floor heating problems can be solved through basic investigation. If the above methods are still ineffective, it is recommended to contact a certified technician for thermal imaging camera inspection and system performance evaluation. The service life of a properly maintained floor heating system can reach 15-20 years. Correct use can reduce energy consumption by more than 30%.
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