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Desa R40 Thermistor
In an HVAC system, a thermistor is a thermal resistor, that has a swinging resistance depends on the amount of, or lack thereof, heat. They convey to the main board when a temperature has been reached. The heating and cooling system deciphers the temp in several different areas to know what to do next.
Hints your all-important thermister is going out
- The initial sequence may never begin due to any one malfunctioning thermistor
- Primary blower could refuse in its attempt to engage full speed
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If you decide on picking up or ordering any Desa R40 replacement part, do your due diligence and make sure of the correct model and also make a visual comparison in order to be sure the right thermistor is the one being purchased. You do not have to install the replacement part alone. Look for a professional locally to do it for you.
Feel free to download your manual for help.
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