Unveil the pinnacle of chimney performance with DuraVent’s DuraFlex AL Cap Type B Gas Vent. If you’re in the market for a reliable, USA-made venting system, you’ve just found it. Our mission is simple yet profound: to optimize your chimney’s efficiency, protect your home, and ensure your peace of mind.

DuraVent stands at the forefront of the venting industry, celebrated for our unwavering commitment to innovation and safety. For those who demand nothing but the best for their HVAC and Hearth systems, DuraFlex AL is the answer.

When it comes to your masonry chimney, maintaining peak efficiency is non-negotiable. Our DuraFlex AL Gas Vent ensures that your natural gas or liquid propane appliances, category I, draft hood-equipped, perform at their best. Bid farewell to the damaging effects of flue product condensation and embrace worry-free operation.

Benefits:

1. Condensation-Free: Our aluminum inner pipe heats up rapidly and stays hot during operation, banishing condensation worries.

2. Cost-Efficient: Connects seamlessly to any brand of B-vent, saving you time and money during installation.

3. Made in the USA: With pride, we craft this venting system on American soil, guaranteeing quality and performance.

4. Versatile Applications: Suitable for a range of appliances, including gas fireplaces, furnaces, boilers, and space heaters.

5. Proven Safety: Listed to UL 1777 and ULC S635, offering you peace of mind.

Key Features:

1. Termination Perfection: Use it to terminate a relining system at the top of your masonry chimney.

2. Effortless Installation: Supports flex with a fast connect band, eliminating the need for screws.

3. Heat Efficiency: The aluminum inner pipe heats rapidly and remains hot during operation.

4. Universal Compatibility: Connects DuraFlex Aluminum flex to any brand of B-vent, ensuring versatility.

5. Lifelong Assurance: Enjoy a Limited Lifetime Warranty, a testament to our product’s enduring quality.

Applications:

• DuraFlex AL (DFAL) is the go-to choice for aluminum flexible relining of masonry chimneys.

• Compatible with natural gas or liquid propane category I, draft hood-equipped appliances.

• Ideal for use with gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications.

Specifications

Downloads

• Product Catalog
• Product Warranty
• Installation Manual
• Typical Installations

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 companys research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro.