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Sanyo XS1872 Furnace Door Switch
The job of the furnace door switch blocks the vent fan and gas ignition being triggered to start so as to stop a potential explosion. It is quite important to have it traded for new one at once if you suspect that it is not working.
Elements of a barely functioning safety switch on the furnace door
- The system does not even thing about starting whether the door is off or on
- The furnace door switch is broken badly
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