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Whirlpool ATE0743SPP0 Limit Switch
A normal limit switch is a type of sensor switch in the heating area that senses, or governs, if and when the air is warmed to a point for the blower to be activated. This is important because if the air is not warm enough then you will never get hot air through the ducts.
Clues of a weak main limit switch
- The HVAC system is starting to behave differently occasionally
- The heating and cooling system is unable to start or run well even though max temp has not been reached
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If you decide on picking up or purchasing do your best and cross-check the correct model as well as make a visual comparison so that you are positive that the proper replacement limit switch is the one being purchased. If you are unsure about the correct way of installing the limit switch by yourself then it would be in your best interest to consult a pro to do the replacement of the part.
Feel free to download your manual for help.
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