Metal-Fab 3M12A Type B Double Wall Adjustable Round Gas Vent Pipe, 3 in ID x 12 in L x 1/4 in THK

Product Description

The Metal-Fab 3M12A is a gas vent pipe designed for type B applications. This pipe measures three inches in diameter and twelve inches in length. It features a twist-lock end type for secure installation. The inner wall is made from aluminum alloy with a thickness of 0.012 inches, while the outer wall is constructed from G90 galvanized steel with a thickness of 0.018 inches.

• Twist-lock installation for ease of use
• Constructed from durable aluminum alloy and galvanized steel
• Meets UL 441 and NFPA 54/211 standards

Product Highlights

This gas vent pipe is suitable for gas boilers, fireplaces, furnaces, unit heaters, and radiant tube heaters. It provides an integral, annular insulating air space to improve efficiency. The pipe is tested for a clearance of 1 inch to combustibles, ensuring safe operation.

Product Information

Standard Information

• Brand: Metal-Fab
• MPN: 3M12A

Technical Specifications

• Diameter: 3 inches
• Length: 12 inches
• Material: Aluminum Alloy (Inner Wall), G90 Galvanized Steel (Outer Wall)
• Inner Wall Thickness: 0.012 inches
• Outer Wall Thickness: 0.018 inches
• 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