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HOME > HVAC > PAYNE > PH3ZNA048000AA > THERMISTOR

Payne PH3ZNA048000AA Thermistor

A thermistor is a type of resistor which has a resistance that changes as it depends on temperature. The main control board must know the temp in certain areas to understand what is going on. They tell the HVAC system when the temperature has been reached.

Some warnings of a defective system thermister

The system may not initiate the starting sequence due to any one thermistor that is damaged
The main blower could refuse to begin to ramp up

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Before buying or ordering a new Payne PH3ZNA048000AA replacement part do your best and double check the model number as well as make a visual comparison in order to be sure the proper replacement thermistor is being ordered. There is no need to install the replacement part alone. Find a professional in your town or city to pay to install it for you.

Feel free to download your manual for help.

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