Product Description
The Metal-Fab 4M4 is a double wall round gas vent pipe designed for efficient venting of appliances including gas boilers, fireplaces, and furnaces. Constructed with a four-inch diameter and four-foot length, this vent pipe features a twist-lock end type. The inner wall is made from aluminum alloy with a thickness of 0.012 inches, while the outer wall is G90 galvanized steel with a thickness of 0.018 inches. This construction ensures durability and reliability in various heating applications.
- Double wall design for enhanced insulation
- Temperature rating of up to 530 degrees Fahrenheit
- Meets UL 441 and NFPA 54/211 standards
Product Highlights
The Metal-Fab 4M4 vent pipe is suitable for Type B gas vent systems, offering quick installation and strong performance.
Product Information
Standard Information
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Brand: Metal-Fab
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MPN: 4M4
Technical Specifications
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Size: 4 inches
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Length: 4 feet
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Material: Aluminum alloy (flue), G90 galvanized steel (casing)
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Material Thickness: 0.012 inches (inner), 0.018 inches (outer)
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Temperature Rating: 530 degrees Fahrenheit
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Applicable Standard: UL 441, NFPA 54/211
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End Type: Twist-Lock
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Application: Gas Boiler, Fireplace, Furnace, Unit Heater, Radiant Tube Heater
