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HOME > HVAC > TRANE > TCP042F300AB > FURNACE DOOR SWITCH

Trane TCP042F300AB Furnace Door Switch

The job of the furnace door switch blocks the draft inducer and ignitor from turning on so as to stop a potential explosion. It is extremely important that the device is swapped out at once if you find it to be faulty.

Cues of a failing furnace door switch

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Check eBay to see if your furnace door switch is in stock!
If you are going to be buying or ordering any Trane TCP042F300AB replacement part, do your due diligence and double check the model number as well as make a visual inspection in order to be sure the right furnace door switch is the one being purchased. Once you have the part to install the part by yourself. Locate a pro in your town or city to replace the part.
Feel free to download your manual for help.
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Check eBay for your furnace door switch!