DB735 SmartFlex Aluminum Liner 7" ID x 35 in. 2-Ply 3003 aluminum liner can be used to vent category 1 gas appliances with A.F.U.E of 83% or lower. In many cases. especially when only water heaters are vented into masonry flues. the gas appliances are vented into over-sized flues. This practice ...- DB735 SmartFlex Aluminum Liner 7" ID x 35 in.
DB5.525 SmartFlex Aluminum Liner 5.5" ID x 25 in. 2-Ply 3003 aluminum liner can be used to vent category 1 gas appliances with A.F.U.E of 83% or lower. In many cases. especially when only water heaters are vented into masonry flues. the gas appliances are vented into over-sized flues. This practice ... - DB5.525 SmartFlex Aluminum Liner 5.5" ID x 25 in.
DB5.550 SmartFlex Aluminum Liner 5.5" ID x 50 in. 2-Ply 3003 aluminum liner can be used to vent category 1 gas appliances with A.F.U.E of 83% or lower. In many cases. especially when only water heaters are vented into masonry flues. the gas appliances are vented into over-sized flues. This practice ... - DB5.550 SmartFlex Aluminum Liner 5.5" ID x 50 in.
DB5.535 SmartFlex Aluminum Liner 5.5" ID x 35 in. 2-Ply 3003 aluminum liner can be used to vent category 1 gas appliances with A.F.U.E of 83% or lower. In many cases. especially when only water heaters are vented into masonry flues. the gas appliances are vented into over-sized flues. This practice ... - DB5.535 SmartFlex Aluminum Liner 5.5" ID x 35 in.
DB550 SmartFlex Aluminum Liner 5" ID x 50 in. 2-Ply 3003 aluminum liner can be used to vent category 1 gas appliances with A.F.U.E of 83% or lower. In many cases. especially when only water heaters are vented into masonry flues. the gas appliances are vented into over-sized flues. This practice ... - DB550 SmartFlex Aluminum Liner 5" ID x 50 in.
DB535 SmartFlex Aluminum Liner 5" ID x 35 in. 2-Ply 3003 aluminum liner can be used to vent category 1 gas appliances with A.F.U.E of 83% or lower. In many cases. especially when only water heaters are vented into masonry flues. the gas appliances are vented into over-sized flues. This practice ... - DB535 SmartFlex Aluminum Liner 5" ID x 35 in.
DB435 SmartFlex Aluminum Liner 4" ID x 35 in. 2-Ply 3003 aluminum liner can be used to vent category 1 gas appliances with A.F.U.E of 83% or lower. In many cases. especially when only water heaters are vented into masonry flues. the gas appliances are vented into over-sized flues. This practice ... - DB435 SmartFlex Aluminum Liner 4" ID x 35 in.
DB525 SmartFlex Aluminum Liner 5" ID x 25 in. 2-Ply 3003 aluminum liner can be used to vent category 1 gas appliances with A.F.U.E of 83% or lower. In many cases. especially when only water heaters are vented into masonry flues. the gas appliances are vented into over-sized flues. This practice ... - DB525 SmartFlex Aluminum Liner 5" ID x 25 in.
DB750 SmartFlex Aluminum Liner 7" ID x 50 in. 2-Ply 3003 aluminum liner can be used to vent category 1 gas appliances with A.F.U.E of 83% or lower. In many cases. especially when only water heaters are vented into masonry flues. the gas appliances are vented into over-sized flues. This practice ... - DB750 SmartFlex Aluminum Liner 7" ID x 50 in.
DB450 SmartFlex Aluminum Liner 4" ID x 50 in. 2-Ply 3003 aluminum liner can be used to vent category 1 gas appliances with A.F.U.E of 83% or lower. In many cases. especially when only water heaters are vented into masonry flues. the gas appliances are vented into over-sized flues. This practice ... - DB450 SmartFlex Aluminum Liner 4" ID x 50 in.
