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SPT WA-1240H Furnace Door Switch
The furnace door switch is a safety switch which blocks the draft inducer and gas ignition from switching on so as to stop a potential explosion. It is vital that this part be swapped out promptly if you see that it is broken.
Warnings the safety door switch should need replacing
- The whole system does not run with the door closed
- The door switch has been damaged
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Before buying or ordering a replacement furnace door switch for your SPT WA-1240H, do your due diligence and double check the model number as well as make a visual comparison in order to be sure the correct furnace door switch is the one being purchased. Once you have the part to install the part by yourself. Look for a professional in your community to hire and install the part for you.
Feel free to download your manual for help.
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