Emergency heat comes on when you cut heat up more than 1 degree on thermostat. Replaced relay last year with tech (130.00) and want to replace the relay myself this year . What relay is the one to replace as only see the Fan relay on diagram. Its a Nordyne Heat Pump C3QA-042U-B Coil is C3QA-042U-B a...

E2EB-15HB Have Heat Pump in Manufactured home with the Blower unit in a closet w/o box around it. Last year the Aux Electric heat would come on if you cut the thermostat up more that 1 degree. The AC repair guy said a relay was bad, replaced and all was fine until now. Again if the heat just comes o...