Description
When it comes to venting solutions for your HVAC and Hearth needs, there's one name that stands out above the rest – DuraVent. With a rich legacy of excellence, DuraVent is the undeniable leader in the venting industry, and their 50' DuraFlex 304 Stainless Steel Flex Pipe is a testament to their commitment to innovation, safety, and professionalism.
DuraFlex 304 Stainless Steel Flex Pipe is designed to elevate your chimney's performance to the next level. Whether you're using it for wood-burning, gas, or oil appliances, you can trust in its reliability and durability. This flex pipe is engineered to meet the highest industry standards and is your key to a better, safer, and more efficient venting system.
Benefits:
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Customizable Lengths: With the option to order custom lengths starting from just 10 feet, you get the flexibility to tailor your venting system precisely to your needs.
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Versatile Applications: DuraFlex 304 Stainless Steel Flex Pipe is perfect for a wide range of applications, including fireplace inserts, furnaces, boilers, and water heaters. It's your go-to choice for enhancing the performance of gas, wood pellet, oil, or wood appliances.
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Exceptional Quality: Crafted from high-grade 304 Stainless Steel, this flex pipe boasts impressive corrosion resistance, ensuring longevity and reliability even in demanding conditions.
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Easy Ovalization: The 3" - 8" diameter flex pipe can be ovalized up to the first 4', giving you the adaptability you need for various installations.
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Clearance Benefits: Enjoy peace of mind with 0" clearance for gas, oil, and pellet applications, and just 1" clearance to masonry for wood-burning – making installation a breeze.
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Listed to Standards: DuraFlex 304 Stainless Steel Flex Pipe meets UL 1777 and ULC S635 (MH45609) standards, assuring you of its quality and safety.
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Lifetime Warranty: Rest easy with a limited-lifetime warranty, demonstrating DuraVent's commitment to standing behind their products.
Features:
- Custom lengths are available for 3”-8” diameters.
- Minimum length of 10’ for custom orders.
- Maximum 100' for 3" - 8".
- Must be ordered in increments of 10'.
- 3"-8" diameter flex can be ovalized up to the first 4'.
- Use with wood-pellet, non-condensing gas, wood-burning, and oil appliances.
Applications:
DuraFlex 304 flexible relining for a masonry chimney. Use with gas, wood pellet, oil, or wood appliances. Applications include fireplace inserts, furnaces, boilers, and water heaters.Specifications:
| Model | Size | Flex Length |
| 7DF304-50 | 7" I.D | 50 ft. |
| 8DF304-50 | 8" I.D | 50 ft. |
| Materials | 304 Stainless Steel | |
| Construction | Single-Wall | |
| Clearance | 0” clearance for gas, oil, and pellet applications. | |
| Clearance | 1” clearance to masonry for wood-burning | |
| Listings | Listed to UL 1777 and ULC S635 (MH45609). | |
| 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.

