Metal-Fab 4M5 4 x 5', Twist-Lock, 0.012 Aluminum Alloy Flue, 0.018 G90 Galvanized Steel Casing, Double Wall, Round, Type B Gas Vent Pipe

Product Description

The Metal-Fab 4M5 is a double wall, round, Type B gas vent pipe measuring four inches in diameter and five feet in length. It features a twist-lock end for easy installation and includes an inner wall made from 0.012 inch aluminum alloy, complemented by an outer wall of 0.018 inch G90 galvanized steel. This product is designed to safely vent flue gases produced by natural gas and propane appliances, making it a suitable choice for various applications including gas boilers, fireplaces, and furnaces.

• Double wall construction for enhanced safety
• Twist-lock design allows for quick and reliable connections
• Certified to meet UL 441 and NFPA 54/211 standards

Product Highlights

This vent pipe ensures efficient gas venting while minimizing the risk of heat loss. Its compliant design offers peace of mind in residential and commercial installations.

Product Information

Standard Information

• Brand: Metal-Fab
• MPN: 4M5

Technical Specifications

• Type: Double Wall, Round, Type B Gas Vent
• Diameter: 4 inches
• Length: 5 feet
• End Type: Twist-Lock
• Material Thickness: 0.012 inch (Inner Wall), 0.018 inch (Outer Wall)
• Materials: Aluminum Alloy (Flue), G90 Galvanized Steel (Casing)
• Temperature Rating: 530 Deg F
• Applicable Standards: UL 441, NFPA 54/211
• Clearance Requirement: 1 inch
• Applications: Gas Boiler, Fireplace, Furnace, Unit Heater, Radiant Tube Heater