Description
Introducing the DuraVent DuraTech 7" Diameter Chimney Pipe – your ultimate solution for reliable, safe, and high-performance venting. This chimney pipe boasts an exceptional design that ensures optimum safety and draft performance, making it the ideal choice for wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, and more. With DuraTech, you're stepping into a world of excellence and peace of mind.
Crafted with precision, the DuraTech Chimney Pipe features a double-wall construction that keeps the outer wall cool while maintaining high flue gas temperatures. What sets it apart is the inner wall, which is a remarkable 25% thicker than comparable chimneys, offering an additional layer of safety without the need for locking bands or mechanical fasteners.
Its sleek 1" wall design makes installation a breeze, even in tight spaces. Plus, the Reduced Clearance Square Ceiling Support Box (for 6" diameter DuraTech) further enhances flexibility in installation. Designed to withstand extreme conditions, DuraTech undergoes rigorous testing, including enduring one hour at 1400°F and three ten-minute chimney fire tests at 2100°F. Your safety is our priority.
Benefits:
- All-Fuel Versatility: DuraTech accommodates a wide range of fuel types, from wood and oil to coal and gas. It's the go-to choice for various appliances, including zero-clearance fireplaces.
- Robust Materials: Crafted with precision, the inner wall of .020” 430 stainless steel and outer wall options of .016” 430 stainless steel or .021” galvalume steel provide durability and longevity.
- Easy Installation: The twist-lock fittings, support boxes with factory-installed starter sections, and swivel base elbows ensure hassle-free installation, saving both time and money.
- Safety First: With a 2" clearance to combustibles, DuraTech guarantees peace of mind in your living space.
- Customizable Shrouds: Tailor your installation with UL-listed shroud options to conceal chimney terminations for the safest setup.
- Wide Variety: Choose from a wide variety of diameters and lengths to suit your specific needs.
- Industry Leader: Manufactured by an industry leader with over 50 years of experience, DuraTech is a symbol of reliability.
- Limited Lifetime Warranty: Enjoy the best warranty in the industry – 15 years at 100% and up to 50% for the next 15 years, offering you unmatched confidence in your installation.
Product Details:
| Model | DuraTech 7" |
| Part no. | 7DT-36 |
| Part no. | 7DT-36CF |
| Inner Diameter, A | 7 inch |
| Outer Diameter, B | 9 inch |
| Pipe Length | 36 inch |
| Inner Wall Material |
0.020” 430 Stainless Steel |
| Outer Wall Material | 0.021” Galvalume Steel |
Applications:
DuraTech is a double-wall, all-fuel chimney system for use with wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas, and zero-clearance fireplaces that are factory-built.
Materials and Construction: 5”, 6" 7", or 8” diameter pipe features an inner wall of .020” 430 stainless steel. Outer wall options of .016” 430 stainless steel or .021” galvalume steel. Refractory insulation is encased between walls. Stainless steel end rings seal the pipe.
DuraTech features lightweight insulation, twist-lock fittings, support boxes with factory-installed starter sections, elbows with 360° swivel base, select black finish pipe lengths, five-foot length pipe sections, and adjustable pipe lengths.
Clearances: 2” clearance to combustibles.
Shrouds: Shroud specs allow the installer to create a UL-listed shroud to hide the termination at the top of the chase for the safest installation.
Features:
- A wide variety of diameters is available.
- Most lengths are available.
- Twist-lock fittings. No locking bands or mechanical fasteners are required.
- Made by the industry leader with over 50 years of manufacturing.
- The swivel base allows an installer to line up the elbow without unlocking and repositioning the elbow, saving time and money.
- Ensures that the installer gets both the offset and return elbow along with an elbow support bracket to make a properly code-approved offset.
- Limited Lifetime Warranty The best Warranty in the industry. 15 years 100%, 15 years, and up 50%. Gives the installer and homeowner the greatest peace of mind in a quality installation.
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.

