Metal-Fab 4M4 Type B Double Wall Round Gas Vent Pipe, 4 in Dia x 4 ft L x 1/4 in THK

Product Description

The Metal-Fab 4M4 is a double wall round gas vent pipe designed for efficient venting of appliances including gas boilers, fireplaces, and furnaces. Constructed with a four-inch diameter and four-foot length, this vent pipe features a twist-lock end type. The inner wall is made from aluminum alloy with a thickness of 0.012 inches, while the outer wall is G90 galvanized steel with a thickness of 0.018 inches. This construction ensures durability and reliability in various heating applications.

• Double wall design for enhanced insulation
• Temperature rating of up to 530 degrees Fahrenheit
• Meets UL 441 and NFPA 54/211 standards

Product Highlights

The Metal-Fab 4M4 vent pipe is suitable for Type B gas vent systems, offering quick installation and strong performance.

Product Information

Standard Information

• Brand: Metal-Fab
• MPN: 4M4

Technical Specifications

• Size: 4 inches
• Length: 4 feet
• Material: Aluminum alloy (flue), G90 galvanized steel (casing)
• Material Thickness: 0.012 inches (inner), 0.018 inches (outer)
• Temperature Rating: 530 degrees Fahrenheit
• Applicable Standard: UL 441, NFPA 54/211
• End Type: Twist-Lock
• Application: Gas Boiler, Fireplace, Furnace, Unit Heater, Radiant Tube Heater