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International Comfort Products PGF048K080A Limit Switch
Limit switches are crucial due to the fact that if the air never warms up inside the exchanger then the house will never get warm enough. A normal limit switch is a type of sensor switch in the air handler that makes the determination when the air is warmed to a point for the blower to be activated.
General warnings of a worsening main limit switch
- The heating and cooling system will not start or continue to run like it is supposed to
- The whole system is starting to ramp up but then stops repeatedly
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