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Haier HR36D2VAR Furnace Door Switch
The furnace door switch is a safety switch which stops initial fan and gas ignition from switching on so as to avoid injuries. It is imperative that the switch be swapped out as soon as possible if it is defective.
Warnings your furnace door switch is in dire straights
- The switch seems to be breaking off
- The HVAC system does not even thing about starting whether the door is open or closed
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