I found out about this adapter, and wonder if using duravents regular stove adapter could leak a bit at the stoves outlet. When ever my harman would light up- specially when the firebox was really smoky inside, i would smell a faint smoke odor in the room. I used to look at those stove joints and ask myself what wasnt sealing? I think it came from the appliance adapter all along. But I dont plan on buying one of these adapters special, as I already use the standard one.