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Heat Controller VMH12SC-1 Furnace Door Switch
The furnace door switch is a safety switch which stops the vent fan and ignition sequence from switching on in order to prevent injury and fire. Do not waste time and have it replaced as soon as you can especially if you suspect it is not working properly.
Major indications of an ailing safety switch on the furnace door
- The furnace does not turn on even with the door closed
- The furnace door switch appears as though it has been broken completely
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Before you decide on buying or ordering do your best and make sure of the model number and also make a visual comparison so that you are positive that the right furnace door switch is the one being purchased. Make safety your number one priority when you install any HVAC part. When in doubt call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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