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

Original price was: $26.92.Current price is: $13.46.

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SKU: SK0023787 Category: Tag:
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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

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