Duravent - DVL Double-Wall Black Stovepipe Increaser (6-8")
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DuraVent stands at the forefront of the venting industry, recognized for its wide range of engineered, high-performance venting products. Trusted by professionals across the HVAC and Hearth markets, DuraVent has earned its reputation through innovation, safety, and superior product design.
The DVL Double-Wall Stovepipe provides the perfect connection to complete a DuraVent chimney system, including DuraTech, DuraTech Canada, DuraPlus, and DuraTech Premium.
Featuring a double-wall, air-insulated construction, DVL reduces clearance to combustibles from 18 inches down to just 6 inches—the closest clearance available for any connector pipe. This design enhances stove performance by maintaining higher flue gas temperatures for a stronger, more consistent draft.
The stainless-steel inner wall allows the flue to heat quickly, stay hot longer, and resist creosote buildup, ensuring long-term reliability that matches the lifespan of the chimney itself. Adjustable lengths simplify installation by eliminating the need for cutting or crimping.
| Model | Diameter | Dimensions |
| 5DVL-X6 | 6" ID | 6" (A) x 5.125" (B) x 7" (C) |
| 6DVL-X7 | 7" ID | 7" (A) x 6" (B) x 7" (C) |
| 7DVL-X8 | 8" ID | 8" (A) x 7" (B) x 7" (C) |
| 6DVL-X8 | 8" ID | 8" (A) x 6" (B) x 7.75" (C) |
| Application | Double-wall interior stovepipe for connecting woodstoves to manufactured chimney | |
| Listings | c-UL-us listed to ULC S641 (MH14089) | |
| Warranty | Limited-lifetime warranty | |
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