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Goodman GKS90453BX Limit Switch
The reason limit switches exist is because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts. A normal limit switch contains a sensor located in the furnace that makes the determination if and when the air is warmed to a point for the main blower to kick in and circulate the air.
Hints critical limit switch has little life left
- Your Goodman system will not start or run well like it is supposed to
- The system is beginning to runs spotty often
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Before buying or ordering do your best and cross-check the correct model as well as make a visual inspection in order to be sure the correct replacement limit switch is the one being purchased. There is no need to install it yourself. Search for a pro locally to pay to install it for you.
Feel free to download your manual for help.
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