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Whirlpool ATR0743BPP0 Limit Switch
One big reason why limit switches are designed that way is because if the air never warms up the you will lose all the heat as the air flows through the ducts. The limit switch contains a sensor in the heat exchanger that senses, or governs, when the air is warm enough to activate the main blower.
Warnings limit switch has little life left
- The heating and AC system will not begin the ignition sequence or continue to run even though the desired temperature has not been attained
- The system is starting to runs spotty repeatedly
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If you are going to be buying or purchasing a new Whirlpool ATR0743BPP0 replacement part do your best and make sure of the model number as well as make a visual inspection in order to be sure the proper replacement limit switch is being ordered. There is no need to install the replacement part alone. Consult with a professional in your area to hire and install the part for you.
Feel free to download your manual for help.
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