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Samsung AVMDH072CA0 Limit Switch
A limit switch was crafted because if the warmed air is too cool then you will never get hot air through the ducts. 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 that it can be circulated throughout the house.
Some clues to watch for in a bad main limit switch
- The heating and AC system will not start nor will it stay running as it should
- The Samsung system is beginning to become unpredictable more often than not
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