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International Comfort Products H8MPN050B12B1 Limit Switch
The main reason limit switches are made is 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 has a sensor in the heating area that senses, or governs, when the air is warm enough to activate the main blower.
What are the indications that my chief limit switch is crapping out?
- The HVAC system starts to runs spotty on a regular basis
- The heating and cooling system will not even start or run even though the desired temperature has not been attained
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