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International Comfort Products C8MPT125J20B1 Limit Switch
Limit switches exist because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts. The limit switch is a switch in the heating area that determines when the heated air is warm enough for the main blower to kick in and circulate the air.
Warnings poorly running limit switch
- The heating and AC system refuses to kick in or run for any length of time
- The whole system starts to behave erratically more than once
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