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Hey ya'll.. always test with wires disconnected to avoid backfeed thru the valve pilot or main coils. I know Vulcan uses the NO (normally open) to short out voltage from the thermopile if limit trips.
Hey ya'll.. always test with wires disconnected to avoid backfeed thru the valve pilot or main coils.
I know Vulcan uses the NO (normally open) to short out voltage from the thermopile if limit trips.