Tuya Improper Floor Sensor Placement or Load Distribution

Underfloor heating controlled by Tuya thermostat is uneven; some areas too hot, others cold

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Floor sensor not centered in heated area, Heating mat/cable layout uneven, Floor sensor not in conduit and cannot sense average temperature, Incorrect maximum floor temperature setting

How to Fix / Troubleshooting

Safety first: Turn off power to the heating circuit before any work.

Steps to troubleshoot:

Review the original underfloor heating layout plan if available to understand cable/mat distribution.
Check thermostat settings for maximum floor temperature and adjust to manufacturer recommendations.
If a spare sensor conduit was installed, consider installing a new floor sensor in a more central location and connect it to the Tuya thermostat.
For severe unevenness, consult an underfloor heating specialist to assess cable spacing and installation quality.

Repair Difficulty

Medium 3/5

Required Part

Floor NTC Sensor and Underfloor Heating Mat/Cable

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