I have a pro tech 520 thermostat. I set it on 78, it comes on and cools but eventually it re sets to 85. How do I correct this.

Asked by Nancy on 09/01/2011 0  Answer

ManualsOnline posted an answer 13 years, 2 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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