Metal-Fab 4M3 Double Wall Vent Pipe, 4 in x 3 ft

Product Description

The Metal-Fab 4M3 is a double wall gas vent pipe designed for use with category I appliances. This venting solution meets NFPA standards and is ideal for installations involving gas boilers, fireplaces, and furnaces. Constructed with an aluminum alloy flue and a galvanized steel casing, it ensures durability and safety in operation.

• Size: Four inches in diameter and three feet in length
• Type: Double wall, round, Type B gas vent pipe
• End type: Twist-lock for secure fitting

Product Highlights

The Metal-Fab 4M3 gas vent pipe provides reliable performance for various heating applications, meeting industry standards.

Product Information

Standard Information

• Material: Aluminum alloy (Inner wall), G90 galvanized steel (Outer wall)
• Temperature Rating: Up to 530 degrees Fahrenheit

Technical Specifications

• Diameter: Four inches
• Length: Three feet
• Material Thickness: 0.012 inches (inner), 0.018 inches (outer)
• Applicable Standards: UL 441, NFPA 54/211
• Clearance: One inch
• Applications: Gas boiler, fireplace, furnace, unit heater, radiant tube heater