Metal-Fab 4M18 4 x 18 Type B Double Wall Vent Pipe with SureLock Technology
Product Description The Metal-Fab 4M18 4 x 18 Type B Double Wall Round Gas Vent Pipe is designed with SureLock Technology for secure and quick installation. The double wall design suits homes and commercial buildings for close clearances to combustibles. This vent pipe is UL Listed and compatible with Category 1 gas furnaces, heaters, and boilers.Compatible with Category 1 gas appliancesDouble wall design for close clearanceQuick and secure installation with SureLock TechnologyProduct Highlights Metal-Fab’s 4M18 gas vent pipe includes a patented locking system that ensures a secure hold with a simple push of a tab. It can be easily disassembled by pulling the tab back out. The product is designed for use with B-Vent chimney systems and meets UL 441 standards.Product InformationStandard InformationBrand: Metal-FabModel: 4M18Material: Galvanized SteelType: Double WallTechnical SpecificationsLength: 18 inchesDiameter: 4 inchesInner Material: Aluminum alloyOuter Material: Galvanized SteelGauge: Outer Wall – 26 GA, Inner Wall – 30 GAEnd Configuration: Male EndStandards/Certifications: UL 441, NFPA 54, NFPA 211For Use With: B-Vent Chimney Systems, Gas Boilers, Fireplaces, Furnaces, Unit Heaters, Radiant Tube Heaters