Description
Introducing the DuraVent DuraTech 20" Chimney Pipe, a pinnacle of venting excellence, brought to you by DuraVent, the undisputed leader in the venting industry. When it comes to your HVAC and Hearth needs, trust in a brand that has consistently delivered innovative, safe, and professional solutions.
The DuraTech Chimney Pipe boasts a cutting-edge design that combines safety and performance. Encased between its dual walls, you'll find refractory insulation that ensures your chimney's exterior stays cool while maximizing flue gas temperatures for optimal draft performance. It doesn't stop there; the inner wall of the DuraTech Chimney is a remarkable 25% thicker than its closest competitors, providing an extra layer of safety. Plus, you won't need any locking bands or mechanical fasteners - installation has never been easier.
Safety is at the forefront of the DuraTech Chimney Pipe's design. This chimney system is tested and listed for continuous operation at 1000°F flue gas temperatures, and it can endure one hour at 1400°F and ten minutes at a scorching 1700°F, adhering to the rigorous UL 103 test standard.
Benefits:
- Safety First: DuraTech's refractory insulation and extra-thick inner wall ensure your chimney stays cool while maintaining high flue gas temperatures, enhancing draft performance.
- Versatile Compatibility: Designed for a wide range of appliances fueled by oil, coal, gas, or wood, making it a versatile choice for your HVAC and Hearth needs.
- Proven Durability: Tested and listed to the rigorous UL 103 standard, this chimney pipe is built to withstand extreme temperatures, ensuring your peace of mind.
- Effortless Installation: No need for locking bands or mechanical fasteners, making installation a breeze.
- Choice of Materials: Available in galvalume and stainless steel for exceptional outer wall durability.
- Precise Sizing: Easily calculate the installed length, and ensure a perfect fit for your chimney system.
- Industry Leader: With DuraVent, you're choosing the premier company in the venting industry, known for its innovative, safe, and professional products.
Features:
- Designed for appliances that are tested and listed for use with a 1700°F rated chimney system, such as zero-clearance or masonry fireplaces, furnaces, boilers, water heaters, ranges, or other appliances fueled by oil, coal, gas, or wood.
- Tested to UL 103 and listed under MH 7399.
- Available in galvalume (GA) and stainless steel (SS) outer wall and stainless steel inner wall.
Note:
- To calculate installed length of 10”, 12”, 14”, 16”, 18”, 20”, 22”, or 24” DuraTech Chimney, subtract 1” from each joint overlap of chimney pipe.
- 18”-24” diameters are built to order and are not returnable.
Specifications:
| Available Size | 12" | 18" | 24" | 36" |
| Dimensions | 20" (A) x 22" (B) |
| Clearance | 2" clearance to combustibles |
| Listings | c-UL-us listed to UL 103 and ULC S604 (MH7399) |
| Warranty | Limited-lifetime |
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.

