4'' x 8'' DuraVent B Vent Increaser - 4GVX8

Item Code: 5SP-4GVX8

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Availability: In Stock, Only 1 left, Ships in 1 to 2 business days.

List Price: $55.22

Special Price: 23.86

You Save : $31.36 (56.79%)

Regular Price: $46.94

Special Price: $23.86


Use to increase 4" vent diameter to 8" vent diameter.

See all 4" Type Round B Gas Vent Components.

Additional Information
  • Dimensions: 4'' diameter x 8'' diameter x 6 3/4'' high
  • Construction materials: .012" aluminum inner wall and a .018" galvanized outer wall
  • Twist lock connection
  • 1" Clearance to combustibles in single and multi-family dwellings
  • UL Listed to UL 441 and UL 1777 (MH6357). ULC Listed to ULC S605 (CMH1276 & CMH1407)
Additional Information

Simpson Dura-Vent Type B Gas Vent is designed to meet the rugged demands of the job site. The inner wall is recessed to eliminate damage in handling. Type B Gas Vent has been engineered to heat up rapidly. It remains hot during the operation f the appliance with minimal condensation in the appliance and vent system. Type B Gas Vent is not suitable for use with wood-burning or coal applications, industrial ovens, exhaust ranges and hoods, grease or pollution ducting, or as free-standing exhaust vents for high temperature applications.

Brand DuraVent, DuraVent Type B, Simpson
Model 4GVX8
Made In USA
Shipping Weight (lbs) 1.0000
Actual Weight (lbs) 1
Product Type Increasers/Reducers, Adapters
Diameter 4 Inch, 8 Inch
Wall Construction Double Wall
Material Galvanized Steel

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