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Whirlpool ATR0752RPP0 Limit Switch
A normal limit switch is a type of sensor switch in the heating area that makes the determination when the air is warmed to a point for the main blower to kick in and circulate the air. One big reason why limit switches are designed that way is because if the air is too cool inside the furnace to begin with, the you will lose all the heat as the air flows through the ducts.
Important signs critical limit switch has little life left
- The heating and AC system is unable to start or run well like it should
- The system begins to ramp up but then stops from time to time
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