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Whirlpool ATR1253RPP0 Limit Switch
Limit switches are crucial because if the air is too cool inside the furnace to begin with, then the house will never get warm enough. A normal limit switch has a sensor in the heat exchanger that determines if and when the air is warmed to a point for the air to begin normal home circulation.
Major indications of a failing limit switch
- The heating and cooling system is unable to start nor will it stay running longer than 10 minutes
- The Whirlpool system is starting to go through the startup sequence but stops quickly occasionally
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