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What if my TH115 Floor Heating Thermostat says system is on however the floor is not heating up?
TH115 Floor Heating Thermostat
If you installed your thermostat over 3 years ago and it seems to be functioning the same, however your floor is no longer heating up, call your electrician. Have them check the resistance of your heating system. If the resistance readings are incorrect, please call Warmup for assistance. If the resistance readings are fine, you may have to replace your thermostat. Over time, the relay in the thermostat may no longer function after so many years of use. Please contact your local retailer or Warmup to order a new thermostat.