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HOME > HVAC > LG > LP121HEM > THERMISTOR

LG LP121HEM Thermistor

In an HVAC system, a thermistor is a special kind of new age resistor that has a swinging resistance is altered by the amount of, or lack thereof, heat. They tell the system when a certain temperature has been reached. The HVAC system deciphers the temp in certain areas to know what to do next.

What are the signs that the main thermister is almost going bad?

The heating and cooling system could never start up due to any one inaccurate thermistor
Main blower may fail to begin to get up to full speed

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Check eBay to see if your thermistor is in stock!

If you decide on picking up or purchasing, do your due diligence and make sure of the model number and also make a visual comparison in order to be sure the correct thermistor is being ordered. There is no rule that says you have to install it yourself. Hire someone with experience locally to do the job for you.

Feel free to download your manual for help.

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Check eBay for your thermistor!