The METAL-FAB 4M4 pipe is a 4 B-Vent solution with a length of four feet. This venting option is suitable for Category 1 gas appliances, including furnaces, heaters, and boilers. Its double-wall construction allows for safe installation in residential and commercial settings, even with minimal clearance to combustibles.
Hemmed flue and casing eliminate sharp edges.
Tool-free assembly and disassembly provided by a twist-lock system.
Swivel tees, wyes, and elbows allow for 360-degree rotation of small diameter fittings.
Product Highlights
This product is UL listed, ensuring compliance with safety and performance standards for gas venting systems.