Description
When it comes to the venting industry, DuraVent stands tall as the unparalleled leader. With a commitment to innovation and safety, we have solidified our reputation as the foremost choice for HVAC and Hearth professionals. Today, we proudly present the DuraVent DuraChimney II Supplementary Support – a game-changer in the world of chimney systems.
DuraChimney II redefines what's possible in chimney construction. Say goodbye to the laborious process of field assembly, thanks to its unitized, lightweight design. Installation has never been quicker or more straightforward. But that's just the beginning. DuraChimney II combines a cool exterior with a hot draft interior, ensuring optimal performance. This fire-safe marvel not only safeguards your chimney but also your entire structure. With a double-wall, air-cooled design, it effortlessly expands to accommodate high temperatures, ensuring reliability and longevity. And it's not just our word; it's backed by rigorous testing and listing according to the UL 103 standard, including continuous operation at 1000°F flue gas temperatures, one hour at 1400°F, and ten minutes at 1700°F.
Benefits:
- Enhanced Stability: DuraChimney II Supplementary Support takes the weight off your chimney's shoulders, ensuring rock-solid stability.
- Swift Installation: No more struggling with cumbersome pipe sections; this unitized design allows for rapid installation.
- Maximum Support: Capable of supporting up to 25 feet of chimney length, it's built to handle your requirements.
- Versatile Compatibility: Whether you're burning wood, oil, coal, or gas, this support system suits various fuel types.
- Safety First: Its fire-safe design not only protects your chimney but also your entire building structure.
- Expansion Capability: The double-wall, air-cooled design lets your chimney expand under high temperatures without a hitch.
- Tested Reliability: Rigorously tested and listed according to UL 103 standards, ensuring unwavering performance.
Features:
- Use to help support the weight of DuraChimney II.
- Supports a maximum of 25’ of the chimney.
- Use additional Supplementary Supports as needed.
Specifications:
| Model | 8DCA-SS | 10DCA-SS | 12DCA-SS | 14DCA-SS | 16DCA-SS |
| Dimension | 12.375" (A) | 13.375" (A) | 15.375" (A) | 17.375" (A) | 19.375" (A) |
| Diameter | 8" ID | 10" ID | 12" ID | 14" ID | 16" ID |
| Application | Masonry Fireplaces | ||||
| Fuel Type | Wood burn, oil, coal, or gas | ||||
| Listings | UL 103 / ULC S604 standards(MH7399) | ||||
| Warranty | Limited-lifetime warranty | ||||
Downloads:
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.

