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Whirlpool ATR0952CPP0 Limit Switch
The main reason limit switches are made is due to the fact that if the air inside the furnace is too cool the you will lose heat in the ducts and the vents will just blow cool air. The limit switch has a sensor located in the furnace that can determine when the heated air is warm enough to activate the main blower.
Major signs limit type switch needs a replacement ASAP
- The HVAC system will not begin or continue to run for any length of time
- The Whirlpool system starts to run erratically more than once
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