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Lennox HPXA12-036 Furnace Door Switch
The job of the furnace door switch prevents the vent fan and ignitor from starting so as to stop a potential explosion. It is extremely important that the device is exchanged for a new one as quick as you can if it is defective in some way or another.
Important red flags of a bad safety door switch
- The furnace door switch seems to be bent
- The system does not run whether the door is off or on
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If you are going to be buying or ordering a new Lennox HPXA12-036 replacement part do your best and cross-check the correct model as well as make a visual inspection in order to be sure the correct replacement furnace door switch is being ordered. Once you have the part to install it yourself. Consult with a professional in your area to do the job for you.
Feel free to download your manual for help.
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