Product Description
The Metal-Fab 4MIN5 is a vent increaser suitable for Type B gas vent applications. This model features an aluminum alloy flue and a G90 galvanized steel casing. It is designed for use in gas boilers, fireplaces, furnaces, unit heaters, and radiant tube heaters.
- Made of aluminum alloy and G90 galvanized steel
- Sizes are four inches at one end and five inches at the other
- Complies with UL 441 and NFPA 54/211 standards
Product Highlights
Ideal for connecting smaller and larger diameter pipes in heating applications.
Product Information
Standard Information
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Manufacturer: Metal-Fab
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Material: Aluminum Alloy (Flue), G90 Galvanized Steel (Casing)
Technical Specifications
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Larger End Size: 5 Inch Diameter
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Smaller End Size: 4 Inch Diameter
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Length: 2.68 Inch
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Material Thickness: 0.012 Inch (Inner Wall), 0.018 Inch (Outer Wall)
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Applicable Standard: UL 441, NFPA 54/211
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Type: Double Wall, Round, No-Height
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Series/Model: MIN
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Suitable For Use With: Double Wall Type-B Gas Vent System
