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Payne PA10JA018000AA Limit Switch
One big reason why limit switches are designed that way is because if the air is too cool inside the furnace to begin with, 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 warmed to a point so that it may be pushed through the ducts and out the vents.
Some clues limit switch is going to die
- System will not begin the ignition sequence or continue to run longer than 10 minutes
- The whole system is starting to erratically on a regular basis
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If you are going to be buying or ordering any Payne PA10JA018000AA part, do your due diligence and cross-check the correct model and also make a visual comparison so that you are positive that the right limit switch is being ordered. You do not have to replace the part all by yourself. Pay a professional in your community to do it for you.
Feel free to download your manual for help.
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