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International Comfort Products H8MPN150J20B1 Furnace Door Switch
A furnace door switch is a safety feature that stops the blower and ignitor being triggered to start so as to avoid injuries. You should really have it replaced as soon as possible especially if you think it is defective.
Known indicators the your switch on the furnace door is in need of replacing?
- The safety door switch appears to be beat up
- The HVAC system will not begin whether the door is off or on
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