Product Description
Metal-Fab 4M4 is a double wall vent pipe suitable for type B gas vent systems. With a diameter of four inches and a length of four feet, it is designed for safe venting of appliances using natural gas or propane. This vent pipe features an inner wall made from aluminum alloy with a thickness of 0.012 inches, paired with a G90 galvanized steel outer casing that is 0.018 inches thick.
- Diameter: Four Inches
- Length: Four Feet
- End Type: Twist-Lock
Product Highlights
This vent pipe is constructed for durability and compliance with safety standards, ensuring safe venting for a variety of applications such as gas boilers, fireplaces, furnaces, unit heaters, and radiant tube heaters.
Product Information
Standard Information
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Brand: Metal-Fab
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Type: Double Wall, Round, Type B Gas Vent
Technical Specifications
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Size: Four Inches
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Length: Four Feet
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Material: Aluminum Alloy (Flue), G90 Galvanized Steel (Casing)
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Material Thickness: 0.012 Inch (Inner Wall), 0.018 Inch (Outer Wall)
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Temperature Rating: 530 Deg F
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Applicable Standards: UL 441, NFPA 54/211
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Clearance: One Inch
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Application: Gas Boilers, Fireplaces, Furnaces, Unit Heaters, Radiant Tube Heaters
