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Samsung AVMWH020EA0 Limit Switch
The reason limit switches exist is because if the air never warms up the you will lose all the heat as the air flows through the ducts. The limit switch is a switch located in the furnace that determines when the air is warm enough that it can be circulated throughout the house.
Major clues of a faulty critical limit switch
- The HVAC system starts to run erratically on more than one occasion
- The heating and cooling system will not initiate or run like it ought to
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