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International Comfort Products C8MPT075F14B1 Limit Switch
Limit switches exist due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts. The limit switch contains a sensor in the heating area that makes the determination if and when the air is actually warm enough to activate the main blower.
How can I tell if my main limit switch is failing?
- The International Comfort Products system is starting to initiate and then stops repeatedly
- The heating and cooling system will not begin the ignition sequence nor will it stay running longer than 10 minutes
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