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Haier CPN10XHJ Furnace Door Switch
A furnace door switch is a switch that stops the vent fan and gas ignition from starting in order to prevent injury and fire. Do not try to fix it, just have it changed swiftly especially if you think it is defective.
Signs poorly operating safety door switch
- The switch looks not there
- The furnace does not fire up whether the door is open or closed
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Before buying or purchasing do your best and cross-check the correct model as well as make a visual inspection so that you are positive that the proper replacement furnace door switch is the one being purchased. If you are unsure about the correct way of installing the furnace door switch by yourself then it is probably best to find a professional in your area to do the work for you.
Feel free to download your manual for help.
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