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Trane PTHD150 Thermistor
In an HVAC system, a thermistor is a type of resistor that has a swinging resistance depends on the current temperature. They convey to the HVAC system when a certain temperature has been reached. The control board must know the temp in some specific areas of the system to do its job correctly.
Signals your thermister needs a replacement ASAP
- The main fan could refuse in the attempt to ramp up
- The AC and heat system could never start up due to a inaccurate thermistor
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If you are going to be buying or ordering any Trane PTHD150 part do your best and double check the model number and also make a visual comparison in order to be sure the right thermistor is the one being purchased. There is no rule that says you have to install the replacement part alone. Locate a pro in your town or city to hire and install the part for you.
Feel free to download your manual for help.
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