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International Comfort Products PGMD36G0906 Limit Switch
This is important 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. A normal limit switch is a type of sensor switch in the heating area that determines when the air is warm enough for the main blower to kick in and circulate the air.
Key indicators that my critical limit switch has to be replaced?
- The whole system begins to initiate and then stops often
- System refuses to kick in nor will it stay running as it should
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