Direct From Factory Metal-Fab 7M3 Twist Lock Double Wall Gas Vent Pipe 7 Inch x 3 Feet

The Metal-Fab 7M3 is a round, double wall gas vent pipe designed for reliable performance in heating systems. This vent pipe is seven inches in diameter and three feet in length. It features a twist lock end type for secure installation, ensuring safety and efficiency in operation.

• Constructed with inner wall of aluminum alloy and outer wall of G90 galvanized steel.
• Meets UL 441 and NFPA 54/211 safety standards.
• Handles temperatures up to five hundred thirty degrees Fahrenheit.

Product Highlights

This vent pipe is suitable for gas applications, including boilers, fireplaces, furnaces, and unit heaters. The design includes an integral insulating air space, enhancing efficiency and safety.

Product Information

Standard Information

• Material: Aluminum Alloy (Inner Wall), G90 Galvanized Steel (Outer Wall)
• Type: Round, Double Wall, Type B

Technical Specifications

• Diameter: 7 inches
• Length: 3 feet
• Material Thickness: 0.012 inch (Inner Wall), 0.018 inch (Outer Wall)
• Temperature Rating: 530 degrees Fahrenheit
• End Type: Twist Lock
• Applicable Standard: UL 441, NFPA 54/211
• Clearance: 1 inch
• Application: Gas Boiler, Fireplace, Furnace, Unit Heater, Radiant Tube Heater