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GE AZ75E18DACM1 Limit Switch
The main reason limit switches are made is because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch is a type of sensor switch located in the furnace that decides if and when the air is actually warm enough that it can be circulated throughout the house.
Clues to watch for to know critical limit switch will need to be replaced
- The HVAC system is unable to start or run well longer than 30 seconds
- The HVAC system starts to erratically on a regular basis
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