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International Comfort Products HAC030GKA4 Furnace Door Switch
A furnace door switch is a safety feature that inhibits initial fan and other risky devices from activating so as to avoid injuries. It is quite important to have it changed promptly if you see that it is broken.
Easy warnings of an inadequate switch on the furnace door
- The switch appears to be bent
- The whole system cannot run even when you close the door
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