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  1. J

    Can’t figure out furnace

    Hello. I have a 2016 3760EL. I can’t remember how to operate the furnace. I thought the bedroom thermostat controlled the heat but when set to furnace the top unit comes on and no furnace. When I set the living room thermostat the top unit comes on and the furnace comes on. I used to full time...
  2. J

    No black water flush

    Hello. New to the forum. I have a Bighorn 3670EL. Go to use the black water tank flush... Nothing. Line pressurizes but doesn't spray the tank. Dump valve open. Nothing. Am I missing something? I suspect maybe a stuck vacuum breaker but I can't find it for the life of me. Any help would be...
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