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International Comfort Products PAPC36GA1 Limit Switch
One big reason why limit switches are designed that way is because if the air is too cool inside the furnace to begin with, the you will lose all the heat as the air flows through the ducts. The limit switch contains a sensor in the air handler that determines if and when the air is warmed to a point that it can be circulated throughout the house.
What are the indications that my chief limit switch is in need of replacing?
- The heating and AC system will not even start or run well even though the desired temperature has not been attained
- The HVAC system begins to runs uneven on a regular basis
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