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HOME > HVAC > LG > AMNH093D4A0 > LIMIT SWITCH

LG AMNH093D4A0 Limit Switch

A normal limit switch has a sensor in the heat exchanger that decides when the heated air is warmed to a point for the main blower to kick in and circulate the air. This is important because if the air is too cool inside the furnace to begin with, the you will lose heat in the ducts and the vents will just blow cool air.

What happens when my critical limit switch is almost going bad?

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Check eBay to see if your limit switch is in stock!
If you are going to be buying or ordering do your best and make sure of the model number as well as make a visual comparison in order to be sure the correct replacement limit switch is being ordered. There is no rule that says you have to install the part by yourself. Hire a pro in your community to do it for you.
Feel free to download your manual for help.
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Check eBay for your limit switch!