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International Comfort Products PGAA36E1K1 Furnace Door Switch
The furnace door switch is a safety switch which blocks the blower and ignitor being triggered to start so as to avoid injuries. Do not try to fix it, just have it switched out immediately if you can, if you see that it is broken.
Easy warnings the safety door switch will not live much longer
- The furnace door switch seems breaking off
- The whole system will not operate whether the door is off or on
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