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Heat Controller VMH09SC-1 Furnace Door Switch
The job of the furnace door switch prevents initial fan and ignition sequence from switching on so as to stop a potential explosion. It is important to get the part substituted for a new part swiftly if you suspect that it is not working.
Signals to watch for in a failing switch on the furnace door
- The furnace door switch seems eroded
- The HVAC system will not run with the door closed
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Before you decide on buying or purchasing, do your due diligence and cross-check the correct model as well as make a visual comparison in order to be sure the correct furnace door switch is being ordered. Take safety precautions when you install any HVAC part. If you are not sure what to do then call a pro. Stay safe.
Feel free to download your manual for help.
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