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Whirlpool ATR1543RPP0 Limit Switch
A normal limit switch is a type of sensor switch in the heating area that can determine if and when the air is actually warm enough for the air to begin normal home circulation. The reason limit switches exist is 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.
What warnings should I watch out for to know if my main limit switch is dying?
- The heating and cooling system will not initiate or run well longer than 30 seconds
- Your system is beginning to initiate and then stops time after time
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