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Goodman GMV950453BX Limit Switch
This is important due to the fact that if the air never warms up inside the exchanger then you will never get hot air through the ducts. The limit switch has a sensor in the heating area that determines if and when the air is actually warm enough to activate the main blower.
Major indications to watch for in a failing critical limit switch
- Your Goodman system refuses to kick in or will not stay running even though the desired temperature has not been attained
- The system is beginning to runs spotty from time to time
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