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Lennox CB28UH-060 Furnace Door Switch
A furnace door switch is a switch that blocks the vent fan and ignitor from starting so as to stop a potential explosion. You should have the switch be traded for new one as soon as possible especially if you think it is defective.
Some warnings the safety door switch is dead
- The whole system will not run even when you close the door
- The furnace door switch looks wrong
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Before buying or ordering do your best and cross-check the correct model as well as make a visual comparison in order to be sure the right furnace door switch is being ordered. Once you have the part to install it yourself. Hire someone with experience in your area to do the job for you.
Feel free to download your manual for help.
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