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Payne PY1PJB048090AAAA Limit Switch
The limit switch is a type of sensor switch in the heat exchanger that makes the determination if and when the air is warmed to a point for the air to begin normal home circulation. This is important due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts.
Major warnings main limit switch is in dire need of a replacement
- The heating and AC system refuses to kick in nor will it stay running for any length of time
- The system is starting to act weird repeatedly
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