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International Comfort Products PAPA36GA1 Limit Switch
The main reason limit switches are made is because if the air is too cool inside the furnace to begin with, the you will lose heat in the ducts and the vents will just blow cool air. The limit switch has a sensor in the heating area that decides when the air is actually warm enough that it can be circulated throughout the house.
Key indicators that my limit type switch really is almost dead?
- Your International Comfort Products system refuses to start or will not stay running even though max temp has not been reached
- The whole system begins to go through the startup sequence but stops quickly more than once
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