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Danby DPAC5009 Limit Switch
A normal limit switch has a sensor in the heat exchanger that decides if and when the air is warmed to a point that it can be circulated throughout the house. Limit switches are built 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.
Clues to watch for to know main limit switch is dying
- The HVAC system is beginning to become unpredictable often
- System will not begin or will not stay running longer that five minutes
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