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HOME > HVAC > LENNOX > HP40-024 > FURNACE DOOR SWITCH

Lennox HP40-024 Furnace Door Switch

The furnace door switch stops initial fan and other risky devices from switching on in order to prevent injury and fire. You must have the device changed ASAP if it is defective in some way or another.

Clues your furnace door switch is on its last leg

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If you are going to be buying or purchasing a replacement furnace door switch for your Lennox HP40-024 do your best and double check the model number as well as make a visual comparison in order to be sure the right furnace door switch is the one being purchased. Take safety precautions when you install any HVAC part. If you are not exactly sure of what to do next call a pro. Stay safe.
Feel free to download your manual for help.
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Check eBay for your furnace door switch!