My husband and I noticed a few days a go, the house was still cold even after the thermostat was turned up to about 75 degrees. Neither does the unit automatically turn off. We live in Texas so at any given day the temp may be 80 degrees today and 30 degrees the next day. As a matter of fact,...

Had the heater on today and noticed it getting very hot. Was well over set temp but did not shut off. Turned unit to off blower continued? Switched to cool and A/C came on but when reach temp A/c shut off but blower continued?? Did the wires on the thermo and still did not turn off? Any...

I have a Day and Night unit that's about a 1979 model the model # is 585A030080YACR the problem is when I turn it on the ignitor sparks but it won't open the pilot gas valve Other times it works great, not sure if I need a thermostat or ignitor or if it's the gas box Please help! ...

My upstairs heat will not turn on in the AUTO setting . I hear the click on the thermostat for it to turn on but the fan will not blow. I can turn it on to "FAN ON" and it will blow but when I change it back to "AUTO" the fan shuts off and won't come on. Any ideas?