DWFL-ZC Zero Clearance & Fire Rated Special Gas Vent
Inner liner made of high-grade ASTM 444 stainless steel.
Outer jacket made of ASTM 304 stainless steel
6” through 36” = 0.035” thick
6” through 24” = 0.025” thick
26” through 36” = 0.035” thick
6'' - 36'' I.D.
3.25” thick compressed ceramic fiber insulation
Inner connection is a 1.25” overlapping joint with added ½” rolled flange and vee band connection.
Supplied sealant is used in the vee band to make seal.
Blanket insulation and outer band completes the joint assembly.
Attached to each part
|UL Listings (and ULC)|
UL-1738 Standard, Venting Systems for Gas-Burning Appliances, Categories II, III & IV (ULC-S636 Standard for Type BH Gas Venting Systems)
UL-2221 Zero Clearance to combustibles and two-hour fire rated-resistive enclosure assembly
UL-1978 Standard, Grease Duct (ULC-S662 Standard for Factory-Built Grease Ducts)
UL-441 Standard, Gas Vents (ULC-S605 Standard for Gas Vents)
90” W.C. Pressure Listing for all Applications