Metal-Fab 3M4 B-Vent 4 feet Length

Product Description

The Metal-Fab 3M4 B-Vent is a reliable vent system designed for use with approved Category 1 gas furnaces, heaters, and boilers. This product is Underwriters Laboratories listed, ensuring safety and performance. Its double wall construction allows for installation in residential and commercial settings with minimal clearance to combustibles.

• Hemming eliminates sharp edges on the flue and casing.
• Tool-free assembly and disassembly with a positive twist lock.
• 360-degree rotation capability with swivel tees, wyes, and elbows.

Product Highlights

This B-Vent is ideal for domestic applications and is built with durable materials, helping maintain efficiency and safety.

Product Information

Standard Information

• Brand: Metal-Fab
• Country of Origin: USA

Technical Specifications

• Length: 4 feet
• Pipe Size: 3 inches x 48 inches
• Material: Aluminum alloy (flue), G90 galvanized steel (casing)
• Temperature Rating: 530 degrees F
• Material Thickness: 0.012 inch (inner wall), 0.018 inch (outer wall)
• End Type: Twist-lock
• Applicable Standard: UL 441, NFPA 54/211
• Type: Type B double wall round