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International Comfort Products H8MPL125J20B1 Furnace Door Switch
The furnace door switch is a safety switch which blocks the fan and gas ignition from activating so as to avoid injuries. It is imperative that the switch be traded for new one as quick as you can if it is causing you problems.
Subtle cues to watch for in a failing switch on the furnace door
- The furnace cannot run even with the door closed
- The furnace door switch has been bent badly
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