When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission.

Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network

HOME > HVAC > LG > ARNU123SER2 > THERMISTOR

LG ARNU123SER2 Thermistor

In an HVAC system, a thermistor is a type of resistor which has a resistance that changes as it depends on temperature at its location. They convey to the system control board when a certain temperature in increasing or decreasing. The main control board reads the temperature in order to ensure that things are as they should be.

How do you know when your all-important thermister has a need to be replaced?

Primary blower refuses in its attempt to get up to full speed
The initial sequence may never begin depending on which is the problematic thermistor

This site contains affiliate links for which I may be compensated

Check eBay to see if your thermistor is in stock!

Before buying or purchasing any LG ARNU123SER2 replacement part do your best and make sure of the model number as well as make a visual inspection in order to be sure the proper replacement thermistor is the one being purchased. There is no need to install it yourself. Look for a professional locally to pay to install it for you.

Feel free to download your manual for help.

This site contains affiliate links for which I may be compensated

Check eBay for your thermistor!