In the realm of venting solutions, one name stands tall as the indisputable leader – DuraVent. We introduce you to the DuraVent High-Wind Cap for Type B Gas Vent, an engineering marvel that defines innovation, safety, and professionalism in the HVAC and Hearth markets.
DuraVent’s commitment to excellence is embodied in its revolutionary DuraLock system, ensuring a secure and airtight connection like no other. With alignment indicators that meet flawlessly, ends that grasp with purpose, and a satisfying snap as it locks into place, this product redefines reliability.
Benefits
- Unmatched Performance: Conquer the fiercest winds with confidence, thanks to improved performance in high wind conditions.
- Rapid Heating: Experience rapid heating capabilities, keeping your appliance hot during operation with minimal condensation.
- Versatile Sizing: Choose from a wide range of sizes, accommodating diameters from 3″ to 8″, ensuring a perfect fit for your needs.
- DuraLock Assurance: Rest easy with DuraLock technology, guaranteeing a lock-tight connection that withstands the test of time.
- Premium Materials: Crafted with precision from high-quality aluminum and galvanized materials for durability that lasts.
Specifications
| Model | Size | Dimensions |
| 3GVVTH | 3″ I.D | 7.5″ (A) x 7.25″ (B) |
| 4GVVTH | 4″ I.D | 8.5″ (A) x 8.25″ (B) |
| 5GVVTH | 5″ I.D | 9.5″ (A) x 9.375″ (B) |
| 6GVVTH | 6″ I.D | 10.5″ (A) x 9.25″ (B) |
| 7GVVTH | 7″ I.D | 11.5″ (A) x 11.75″ (B) |
| 8GVVTH | 8″ I.D | 12.5″ (A) x 12.75″ (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 company’s 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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