Metal-Fab 6″ x 60″ B-Vent Gas Vent Pipe Type B Round Flue Galvanized HVAC

Overview

Metal-Fab 6" x 60" Type B Gas Vent – Round Flue Pipe for LP, Natural Gas, and Category 1 AppliancesThis heavy-duty Metal-Fab Type "B" Gas Vent Pipe (Model 6M5) is built to deliver efficient and safe venting for Category 1 gas-burning appliances using natural gas or propane (LP). Constructed with double-wall galvanized steel and aluminum, it ensures durability, thermal performance, and resistance to corrosion.

With a 6" diameter and a 60" length, this round pipe features an easy-to-use twist-locking system, allowing fast installation and disassembly—perfect for water heaters, furnaces, and boilers. Designed to maintain a 1" clearance from combustible materials, this pipe meets residential and light commercial HVAC standards.

Key Features

• Secure Surelock locking system for tool-free connectionDouble-wall construction: aluminum inner liner and galvanized steel outer shellSized for Category 1 appliances: gravity vented furnaces, water heaters, and boilers
• Designed for use with 6” Metal-Fab B-Vent systemsOutside diameter is 6¼", allowing it to fit standard B-Vent fittings
• Compatible with Metal-Fab and other standard Type B venting components such as elbows, draft hoods, and connectors.
• Ships direct from distribution warehouse – stock ready.

Product details

Part / SKU	MFG# 6M5

Package includes

• Metal-Fab 6" x 60" B-Vent Gas Vent Pipe Type B Round Flue Galvanized HVAC

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.