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Lennox G40UH-36A-070X Furnace Door Switch
A furnace door switch is a switch that prevents the vent fan and burner from turning on in order to prevent injury and fire. It is quite important to have it switched out quickly if you find it to be faulty.
General indicators that your safety switch on the furnace door will soon need to be replaced
- The door mechanism looks as if it has been bent
- The HVAC system will not operate even when you close the door
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If you are going to be buying or purchasing a replacement furnace door switch for your Lennox G40UH-36A-070X do your best and make sure of the model number as well as make a visual comparison in order to be sure the correct replacement furnace door switch is being ordered. You do not need to replace the part all by yourself. Hire someone with experience in your community to replace the part.
Feel free to download your manual for help.
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