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International Comfort Products C8MPN075B12A1 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the draft inducer and ignitor from starting so as to stop a potential explosion. It is extremely important that the device is exchanged for a new one at once if it is damaged so as to prevent something bad happening.
Clues your safety switch on the furnace door will not last the year
- The HVAC system cannot run even when you close the door
- The safety door switch has been not there
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