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Heat Controller B-VMH12FC-1 Furnace Door Switch
A furnace door switch is a safety feature that prevents the fan and other risky devices from activating in order to prevent injury and fire. It is quite important to have it traded for new one as soon as you can if it is not working in order to prevent injuries.
What happens when my safety furnace door switch is in need of replacing?
- The switch appears to be broken
- The HVAC system will not begin whether the door is open or closed
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