DuraVent – 90-Degree Adjustable Type B Gas Vent Elbow 3″
Unlock the potential of your HVAC system with DuraVent's 90-Degree Adjustable Type B Gas Vent Elbow. As the leader in the venting industry, DuraVent is committed to delivering innovation, safety, and professionalism to the HVAC and Hearth markets.Our groun
Unlock the potential of your HVAC system with DuraVent’s 90-Degree Adjustable Type B Gas Vent Elbow. As the leader in the venting industry, DuraVent is committed to delivering innovation, safety, and professionalism to the HVAC and Hearth markets.
Our groundbreaking DuraLock system guarantees a snug connection. Experience the satisfaction as alignment indicators meet, ends seamlessly unite, and a reassuring snap securely locks the connection into place. Crafted to withstand the rigors of the job site, the inner wall is recessed to prevent handling damage.
DuraVent’s Type B Gas Vent excels at rapid heating, maintaining optimal temperatures during appliance operation, and minimizing condensation in both the appliance and vent system. With pipe lengths ranging from 6 to 60 inches and a comprehensive selection of adjustable and rigid fittings, we cater to your every venting need.
However, please note that Type B gas vents are not suitable for 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.
Benefits:
- Seamless Obstruction Offset: Effortlessly navigate obstacles with our adjustable elbow.
- 360 Swivel Base: Elbows (3-8) provide full rotational flexibility at the base.
- Customizable Angles: The 90 Elbow adjusts from 0 to 90 in sizes 3-10.
- Sturdy Support: Elbows must be adequately supported during installation.
- Versatile Applications: Suitable for natural gas or liquid propane Category I appliances and draft hood equipped units.
- Wide Range of Uses: Ideal for natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications.
- Durable Construction: Constructed with high-quality materials for reliability and longevity.
Features:
- Offsets obstructions as needed.
- Elbows (3-8) swivel 360 at the base.
- 90 Elbow is adjustable from 0 to 90 in sizes 3-10.
- Elbows must be supported when installed.
Applications:
- DuraVents Type B Gas Vent system. 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.
- Applications include natural gas fireplaces, gas-fired 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, and screws are required for 14 and larger diameters.
Specifications:
| Model | Size | Dimensions |
| 3GVL90 | 3″ | 5.5″ (A) x 5.25″ (B) |
| 4GVL90 | 4″ | 6″ (A) x 5.5″ (B) |
| 5GVL90 | 5″ | 6.5″ (A) x 6.5″ (B) |
| 6GVL90 | 6″ | 6.75″ (A) x 6.75″ (B) |
| 7GVL90 | 7″ | 7.75″ (A) x 7.5″ (B) |
| 8GVL90 | 8″ | 7.75″ (A) x 7.5″ (B) |
| 10GVL90 | 10″ | 10.25″ (A) x 9.625″ (B) |
| Clearances | 1″ 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). | |
| Warranty | Limited-lifetime warranty |
Downloads:
- Download Product Catalog
- Download Installation Manual
- Download Typical Installations
- Download TypeB Gas Vent Specs Sheet
About the Manufacturer:
Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The companys research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro.

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