Product Description
The Metal-Fab 4M90 is a double wall adjustable elbow designed for gas vent applications. This product features a four inch nominal size and allows for a bend angle of 90 degrees. Constructed with a combination of aluminum alloy for the inner wall and G90 galvanized steel for the outer casing, this elbow is built to withstand various operation conditions.
- Adjustable angle from 0 to 90 degrees.
- 360-degree rotating collar for vent pipe orientation.
- Compliant with UL 441 and NFPA standards for gas vent systems.
Product Highlights
This product is ideal for use with type B gas vent systems, facilitating installations in gas boilers, fireplaces, furnaces, and heaters. The five-piece construction ensures a secure fit and enhances airflow efficiency, optimizing your heating applications.
Product Information
Standard Information
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Brand: Metal-Fab
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MPN: 4M90
Technical Specifications
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Material: Aluminum alloy (flue), G90 galvanized steel (casing)
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Size: 4 inches
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Angle: 90 degrees
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Material Thickness: 0.012 inches (inner wall), 0.018 inches (outer wall)
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Applicable Standards: UL 441, NFPA 54, NFPA 211
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Weight: 1.1 lbs
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Dimensions: Length 9.5 inches
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Connection Type: Hub x Spigot
