Metal-Fab 4MOSC - Type-B Gas Vent Oval Storm Collar - 4"

Metal-Fab is the only B-Vent manufacturer with UL approval to connect the male end into the female end of all competitive UL listed B-Vent brands, increasing product versatility. Did you know that by simply connecting using three (3) quarter inch sheet metal screws to secure creates a UL listed connection?

Material Specifications

The outer wall is constructed of galvanized steel, .018" thick G-90 for sizes 3" to 14" diameter, and .024" thick G-90 for sizes 16" to 30" diameter. The inner wall is constructed of aluminum alloy, .012" thick for sizes 3" to 8" diameter and .018" thick for sizes 10" to 30" diameter. The vent includes an integral, annular insulating air space, ¼" thick for sizes3" to 6" diameter and 1/2" thick for sizes 7" to 30" diameter.

Features:

Type B Gas Vent
For use with approved gas furnaces, heaters, fireplaces and boilers
Meets or exceeds all recognizes gas venting codes
UL listed to adapt to identified competing B-Vent brands.
1" Minimum clearance to combustibles for 3" through 24" diameters

Surelock B-Vent Locking System

The design of the SureLock B-Vent Locking System is unique. The male end of the pipe features a square dimple, positioned in the exact location to match the tab that is located on the female end of the pipe. When the pipe is joined and twisted until it stops, the SureLock tab can be pushed into the square dimple, therefore creating a positive twist lock that cannot be twisted apart.

HSS1811180

Collection: Storm Collars

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4MOSC - Type-B Gas Vent Oval Storm Collar - 4"