Product Description
The Metal-Fab 3M4 is a three-inch diameter by four-foot long twist-lock double-wall gas vent pipe. Manufactured from 0.012-inch aluminum alloy for the inner wall and 0.018-inch G90 galvanized steel for the outer casing, this product is designed for safe venting in gas appliances.
- Diameter: 3 inches
- Length: 4 feet
- End Type: Twist-Lock
Product Highlights
This type B gas vent pipe is suitable for various gas-fired appliances including boilers and furnaces.
Product Information
Standard Information
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Brand: Metal-Fab
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MPN: 3M4
Technical Specifications
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Material: Aluminum alloy (flue), G90 galvanized steel (casing)
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Temperature Rating: 530 degrees Fahrenheit
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Applicable Standards: UL 441, NFPA 54/211
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Clearance Requirement: 1 inch
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Installation: Twist-lock design
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Weight: 3.7 lbs
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Uses: Suitable for gas boilers, fireplaces, and radiant tube heaters.
