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Lennox XC21-036 Furnace Door Switch
The furnace door switch inhibits initial fan and burner from starting so as to avoid injuries. It is extremely important that the device is changed as quick as you can if it is not working in order to prevent injuries.
General warnings to watch for in a bad safety switch on the furnace door
- The furnace door switch is beat up
- The furnace will not begin whether the door is open or closed
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If you are going to be buying or ordering a replacement furnace door switch for your Lennox XC21-036 do your best and make sure of the correct model and also make a visual comparison in order to be sure the correct replacement furnace door switch is being ordered. Replacing a new furnace door switch is not difficult assuming you energy and have the tools to do it right.
Feel free to download your manual for help.
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