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Carrier 38QRR018 Furnace Door Switch
A furnace door switch is a switch that inhibits the fan and burner from activating so as to stop a potential explosion. Do not waste time and have it traded for new one immediately if you can, especially if you think it is defective.
Important clues of an ineffective safety furnace door switch
- The door switch seems to be not there
- The system does not fire up whether the door is open or closed
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Before you decide on buying or purchasing, do your due diligence and cross-check the correct model and also make a visual comparison in order to be sure the proper replacement furnace door switch is the one being purchased. You do not have to install the replacement part alone. Hire a pro in your area to pay to install it for you.
Feel free to download your manual for help.
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