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Heat Controller VMH12SC-1 Thermistor
A thermistor is a thermal resistor, that has a fluctuating resistance that depends on the current temperature. The system control board reads the temperature throughout the whole system to be sure everything is going well. They tell the system when the temperature has been reached.
Elements of an ineffective Heat Controller thermister
- The main blower may refuse in its attempt to get up to full speed
- The heating and AC system could possibly never start depending on which is the bad thermistor
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If you are going to be buying or ordering do your best and double check the correct model and also make a visual comparison so that you are positive that the right thermistor is the one being purchased. HVAC professionals could be quite expensive to hire so you may want to keep a lookout locally to acquire the best rate if you do not want to pay too much.
Feel free to download your manual for help.
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