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Whirlpool ATR0945BPP0 Limit Switch
This is important due to the fact that if the air never warms up inside the exchanger the you will lose all the heat as the air flows through the ducts. The limit switch has a sensor in the air handler that makes the determination when the air is actually warm enough to activate the main blower.
General indicators that your limit type switch has very little life left
- The heating and cooling system refuses to kick in or will not stay running for any significant length if time
- The whole system is starting to run inconsistently more often than not
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Before you decide on buying or purchasing do your best and cross-check the correct model as well as make a visual inspection in order to be sure the correct limit switch is the one being purchased. Installation of the limit switch is not difficult provided you have the know-how and have the proper tools to do it right.
Feel free to download your manual for help.
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