DuraVent® 4GV18 Type B Round Rigid Gas Vent Pipe, Steel/Aluminum, 4 in Dia x 18 in L, Galvanized, Domestic
DuraVent®, 4GV18, Gas Vent Pipe, Type B Round Rigid, 4 in Diameter, 18 in Length, Steel/Aluminum, Galvanized, Domestic

- Use for venting listed natural gas or liquid propane Category I, draft hood appliances, or appliances that have been specifically tested and listed to use Type B gas vent
- The appliances listed typically use Type B gas vent systems, but not always: furnaces, water heaters, boilers, room heaters, decorative gas appliances, and unit heaters
- 1 in clearance to combustibles in single and multi-family dwellings
- 0.012 in THK aluminum alloy inner wall
- 0.018 in galvanized outer wall
- Standard/Approvals: cULus Listed|ULC S605|UL 441/1777
DuraVent®, 4GV18, Gas Vent Pipe, Type B Round Rigid, 4 in Diameter, 18 in Length, Steel/Aluminum, Galvanized, Domestic
DuraVent's innovative system for a lock-tight connection for Type B Gas Vent called DuraLock. See the alignment indicators meet; feel the ends grasp together; hear the snap as the connection firmly locks into place. DuraVent Type B Gas Vent is designed to meet the rugged demands of the job site. The inner wall is recessed to eliminate damage in handling. Type B Gas Vent has been engineered to heat up rapidly. It remains hot during the operation of the appliance with minimal condensation in the appliance and vent system. Pipe lengths are available in multiple lengths, 6 to 60 inches, with a full complement of adjustable and rigid fittings. Type B gas vents are not suitable for use with wood-burning or coal applications, industrial ovens, exhaust ranges and hoods, grease or pollution ducting, or as free-standing exhaust vents for high-temperature applications.
- Brand: DuraVent®Diameter: 4Length: 18Material: Steel/AluminumType: Type B Round RigidDomestic/Import: DomesticFinish: Galvanized