The heat coil stays on for 10-15sec after the fan shuts off. I have replace the thermostat and that did nothing to help. It is a VERY old unit. what can I do other than replace the unit?
Heating & Cooling - Intertherm
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Answers & Comments
Toget proper heat, keep your temp setting at 30+ degree and also mode in "heat"position. If still no heat, check your heating sensor for closed circuit by anOHMs metre.If it's with heatingelement check power to element. If power is there but still no heat meanselement defective. Replace new heating element. Thanks.