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Whynter ARC-142BX Limit Switch
This is important because if the air is not warm enough then the house will never get warm enough. The limit switch is a type of sensor switch in the heat exchanger that determines when the heated air is warm enough for the air to begin normal home circulation.
Major signs main limit switch will not last the year
- The heating and cooling system is unable to start nor will it stay running even though max temp has not been reached
- The system is beginning to go through the startup sequence but stops quickly often
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