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International Comfort Products H8MPL100J20B1 Limit Switch
A limit switch was crafted because if the air is not warm enough the you will lose all the heat as the air flows through the ducts. The limit switch has a sensor in the heating area that determines if and when the air is warmed to a point to activate the main blower.
Important signs main limit switch will have to be replaced
- The heating and cooling system will not initiate or continue to run even though the desired temperature has not been attained
- The HVAC system starts to run erratically on a regular basis
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