OptionalStop
Well-known member
I need to install a flue vent in my new hot water tank that I'm using for my radiant heat system. I'm running just a basic AO Smith gas HWT with no power vent. I'm trying to find out what I need to buy so I can right it right out of the side wall (90 degree bend at the top of the tank). Can I do this without power venting? It's only a few feet away from the wall. Or, do I HAVE to go up through the attic and straight up out the roof?