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Whynter ARC-143MX Furnace Door Switch
A furnace door switch is a safety feature that stops the fan and ignitor from activating so as to stop a potential explosion. It is quite important to have it switched out quickly if it is defective.
Signals the safety door switch needs a replacement ASAP
- The HVAC system does not even thing about starting whether the door is open or closed
- The furnace door switch seems worn down
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Before buying or purchasing a replacement furnace door switch for your Whynter ARC-143MX, do your due diligence and make sure of the correct model as well as make a visual inspection so that you are positive that the proper replacement furnace door switch is the one being purchased. There is no need to install it yourself. Find a professional in your community to do it for you.
Feel free to download your manual for help.
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