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Whirlpool ATE1553BPP0 Limit Switch
The reason limit switches exist is because if the air is not warm enough the you will lose all the heat as the air flows through the ducts. The limit switch contains a sensor in the air handler that determines when the air is actually warm enough to activate the main blower.
Some clues of a deteriorating main limit switch
- The HVAC system is beginning to stop suddenly on a regular basis
- System is unable to start or continue to run like it ought to
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If you are going to be buying or ordering, do your due diligence and cross-check the model number and also make a visual inspection in order to be sure the right limit switch is the one being purchased. HVAC professionals may have higher labor rates than others so it is best to shop around to acquire the best rate if you do not want to pay too much.
Feel free to download your manual for help.
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