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Whirlpool ATE1543RPP0 Limit Switch
A normal limit switch has a sensor in the air handler that decides when the air is actually warm enough for the air to begin normal home circulation. Limit switches are crucial because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts.
Major indications limit switch is not going to last much longer
- The whole system is starting to become inconsistent time after time
- System refuses to kick in nor will it stay running like it should
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