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Dura-Vent Type B Gas Vent Diameter Increaser - 4-Inch to 5-Inch Length

Dura-Vent Type B Gas Vent Diameter Increaser - 4-Inch to 5-Inch Length

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$49.95 $59.99 17% Off
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Product Details

Manufacturer: DuraVent
DuraVent Part Numbers: 4GVX5
Item Number: CPF-4GVX5
UPC: 662492643204

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Features

  • Increases vent diameter
  • For use with Dura-Vent Type B Gas Vent pipes
  • 4" tall
  • 25-year warranty
Sometimes installations require You to increase the diameter of a gas appliance's vent. You should always keep some Gas Vent Diameter Increasers when using Dura-Vent Type B piping. Applications - DuraVent Dura-Vent's Type B Gas Vent system is for use with natural gas or liquid propane category I and draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent for a wide range of applications, including: natural gas fireplaces, gasfired furnaces, boilers, water heaters, and wall or space heating applications. Materials and Construction- Round Type B Gas Vent 3" - 8" and oval 4" - 6": Aluminum .012" inner wall, galvanized .018" outer wall. Round Type B Gas Vent 10" - 16": Aluminum .016" inner wall, galvanized .021" outer wall. Round Type B Gas Vent 18" - 30": aluminum .020" inner wall, galvanized .021" outer wall. 3"-16" diameters feature twist-lock fittings, screws required for 18" and larger diameters. Clearances - 1" clearance to combustibles in single and multi-family dwellings. Listings - UL Listed to UL 441 and UL 1777 (MH6357). ULC Listed to ULC S605 (CMH1276 & CMH1407).

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Customer Q&A with Product Specialists

Carl from Helena, Mt. asked:
Can this be used to decrease from 5 to 4 inches?
Can this be used to decrease from 5 to 4 inches?
No, this item is only suitable to increase the inside diameter of the DuraVent Type B gas vent pipe from 4 inches to 5 inches.
Answered by: Tyler M. - NFI Master Hearth Professional

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