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Carrier 38TSA048 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the vent fan and burner from activating so as to stop a potential explosion. It is vital that this part be replaced promptly if it is defective.
Clues of a barely functioning safety switch on the furnace door
- The furnace door switch is fallen off
- The HVAC system does not fire up with the door closed
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Before buying or ordering a new Carrier 38TSA048 replacement part, do your due diligence and cross-check the model number as well as make a visual inspection so that you are positive that the right furnace door switch is the one being purchased. There is no need to install it yourself. Hire someone with experience in your community to do it for you.
Feel free to download your manual for help.
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