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Whirlpool ATE1253BPP0 Limit Switch
The limit switch contains a sensor in the heat exchanger that determines when the air is warm enough for the blower to be activated. Limit switches were created because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts.
Simple signals limit type switch has very little life left
- The system starts to go through the startup sequence but stops quickly from time to time
- The heating and cooling system is unable to start or will not stay running for any length of time
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