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Frigidaire FRP77ETT3R0 Limit Switch
A normal limit switch is a type of sensor switch in the air handler that senses, or governs, if and when the air is warmed to a point for the air to begin normal home circulation. This is important because if the air is too cool inside the furnace to begin with, then the house will never get warm enough.
Major indications limit switch will not live much longer
- The heating and AC system will not even start or run well longer that five minutes
- The HVAC system is starting to go through the startup sequence but stops quickly occasionally
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