Discover the ultimate solution for flexible chimney lining with the FasNSeal Flex. Engineered by Duravent Fireplaces, this innovative product sets a new standard for venting efficiency and durability. Whether for Category II, III, or IV appliances, FasNSeal Flex ensures a secure and reliable venting system for your fireplace.
Flexible Design:
Single strip double layer AL-29C stainless steel construction for optimal flexibility and strength.
Perfect for vertical or near-vertical runs, offering versatile installation options.
Corrosion Resistance:
Made from AL29-4C stainless steel, ensuring resistance to corrosion and long-lasting performance.
Silicone-free components reduce the risk of system breakdown and failure.
Smooth Inner Wall:
Smooth inner wall design optimizes gas flow, minimizes back pressure, and facilitates easy cleaning for maximum appliance efficiency.
Triple-lipped directional gaskets and a built-in locking band ensure a secure and leak-free installation.
UL Listed:
FasNSeal Flex is the only flexible chimney liner UL listed to UL 1738 standard, providing peace of mind for safety and compliance.
Versatile Applications:
Suitable for a wide range of gas-burning appliances, including high-efficiency gas boilers, furnaces, water heaters, and more.
Ideal for both residential and commercial installations.
Complete System Support:
Comprehensive product lineup, including elbows, termination kits, wall thimbles, and more, for a seamless and customized venting solution.
Professional technical support available from DuraVent to assist with system design and installation queries.
Corrosive Condensate Management:
Effectively manages corrosive condensates common with high-efficiency gas appliances.
Offers solutions for horizontal, vertical, or angled installations.
Material:
Single strip double layer AL-29C stainless steel construction.
Flexibility:
Designed for vertical or near-vertical runs, providing flexibility in installation.
Corrosion Resistance:
Made from AL29-4C stainless steel for corrosion resistance and long-term durability.
Inner Wall Design:
Smooth inner wall design for optimized gas flow, reduced back pressure, and easy cleaning.
Sealing Mechanism:
Triple-lipped directional gaskets and built-in locking band for a secure and leak-free installation.
UL Listing:
UL Listed to UL 1738 standard, ensuring compliance with safety and regulatory standards.
Applications:
Suitable for Category II, III, and IV appliances, accommodating a wide range of gas-burning units.
Ideal for high-efficiency gas boilers, furnaces, water heaters, and more.
Versatility:
Flexible design allows for easy integration into various residential and commercial settings.
System Components:
Complete product lineup including elbows, termination kits, wall thimbles, and more.
Available accessories for customized and professional installations.
Condensate Management:
Effectively manages corrosive condensates common with high-efficiency gas appliances.
Solutions for horizontal, vertical, or angled installations.
Temperature Rating:
Maximum rated operating temperature of 480°F (249°C).
Pressure Rating:
Maximum positive pressure of 6″ water column.
Diameters Available:
FasNSeal Flex available in diameters ranging from 3″ to 12″.
Commercial Use:
Suitable for both residential and commercial applications.
Support and Assistance:
Professional technical support available from DuraVent for system design and installation assistance.
Silicone-Free Construction:
Components that come in contact with exhaust gases and condensates are silicone-free, reducing the risk of system breakdown.
Listings:
UL Listed to UL 1738 and ULC S636 for compliance with industry standards.
Compatibility:
Compatible with natural gas or propane appliances.
Vertical Installation:
Ideal for straight vertical runs from the appliance to the termination point.
Ensure proper support and secure fastening using Support Clamps.
Near-Vertical Installation:
Suitable for installations with a slight angle.
Utilize Adjustable Vent Length (AVL) for accommodating angles.
Horizontal Installation:
Appropriate for venting systems that require horizontal runs.
Use elbows to facilitate the transition from vertical to horizontal and maintain proper clearances.
Angled Installation:
For venting systems that require angled configurations.
Use elbows to navigate obstructions and maintain proper condensate management.
Through-the-Wall Termination:
Suitable for venting systems that terminate horizontally through an exterior wall.
Utilize Wall Thimble with Termination Damper or Wall Pass Through.
Roof Termination:
For venting systems that terminate vertically through the roof.
Use Variable Pitch Roof Flashing to create a weather-tight penetration.
Severe Weather Conditions:
Install Severe Weather Rain Cap for through-the-wall applications in high wind conditions.
Ceiling-Mounted Heater Vent Kit:
Ideal for venting systems in multi-story buildings.
Utilize the Termination Tee, Wall Thimble with Adjustable Vent Length, and Universal Appliance Adapter.
Attic Offset Installation:
For venting systems that require offsetting through an attic space.
Use elbows and Adjustable Vent Length to navigate the offset.
Commercial Applications:
Custom system designs may be required for commercial projects.
Consult with DuraVent’s engineering services for personalized assistance.
Condensate Management:
Utilize the Universal Condensate Drain for managing corrosive condensates.
Choose appropriate fittings, such as Drain Fitting or Horizontal Drain Fitting, based on the installation requirements.
Multiple Appliance Connections:
For venting multiple appliances into a common vent.
Use Standard Tee, Branch Tee, or Boot Tee, depending on the specific configuration.
Testing Access:
Install a Test Port to facilitate easy testing of proper appliance operation without penetrating the vent wall.
Additional Accessories:
Explore other accessories such as Rain Caps, Storm Collars, and Termination Boxes for enhanced performance and protection.
Gas
Gas
Clearances to Combustibles:
Single-Wall Venting:
For 3″ – 4″ diameters: 0″ clearance to combustibles.
For 5″ – 16″ diameters: 0″ clearance to combustibles (Canada only).
Double-Wall Venting:
For 3″ – 4″ diameters: 0″ clearance to combustibles.
For 5″ – 16″ diameters: 0″ clearance to combustibles (Canada only).
Rated Operating Temperatures:
194°F (90°C) for Canada only (3″ – 4″ diameters).
300°F (149°C) for all diameters.
Additional Clearances:
Side: 8″ (206.2 mm), Top: 12″ (304.8 mm), Bottom: 4″ (101.6 mm) for horizontal installations.
1″ (25.4 mm) clearance on all sides for vertical installations.
Enclosed and Unenclosed Clearances:
Single-Wall Venting:
480°F (249°C) rated operating temperature.
Enclosed Horizontal: 3″ (76.2 mm) on all sides.
Unenclosed Horizontal: 3″ (76.2 mm) on all sides.
Double-Wall Venting:
480°F (249°C) rated operating temperature.
Enclosed Horizontal: 6″ (152.4 mm) on all sides.
Unenclosed Horizontal: 3″ (76.2 mm) on all sides.
Cavity Measurement:
Wall Thickness for Through-the-Wall Termination:
Wall Thimble accommodates 4 1⁄4″ to 8 1⁄2″ thickness.
Wall Pass Through accommodates 4 1⁄4″ to 8 1⁄2″ (3″ – 5″ diameters) and 5 3⁄4″ to 11 1⁄2″ (6″ – 16″ diameters) thickness.
Roof Pitch for Roof Termination:
Variable Pitch Roof Flashing accommodates flat to 9/12 roof pitch.
Tall Cone Flashing is used with Tall Cone Roof Jack for specific applications.
Support Clamps:
Use Support Clamps every 10′ on vertical runs and every 6′ in horizontals.
Adjustable Wall Bracket:
Adjustable Wall Bracket assists in achieving proper pitch for condensate management in lateral and horizontal runs.
Wall Thimble Sleeve Extension:
Adds 6″ of length to Wall Pass Through and Wall Thimble for thicker walls.
Ceiling-Mounted Heater Vent Kit:
Wall Thimble with Adjustable Vent Length fits between standard wall studs.
Universal Condensate Drain:
Diameters 3″ – 5″ have a 5/8″ straight tube; 6″ – 16″ have a 1″ IPS threaded fitting.
Drip Tees and Elbows:
Properly use Drip Tees and Elbows for condensate management, ensuring smooth gas flow.
Limited warranty
Elevate your fireplace venting experience with the FasNSeal Flex by Duravent Fireplaces, a revolutionary solution designed for optimum flexibility and performance. Crafted from single strip double layer AL-29C stainless steel, this flexible chimney liner ensures easy installation in vertical or near-vertical runs, providing unmatched versatility for various gas-burning appliances. Its smooth inner wall design optimizes gas flow, reduces back pressure, and facilitates hassle-free cleaning, ensuring maximum efficiency for high-efficiency gas boilers, furnaces, water heaters, and more. The FasNSeal Flex is UL Listed to UL 1738 standard, guaranteeing compliance with safety and regulatory requirements. With a maximum rated operating temperature of 480°F and corrosion-resistant construction, it excels in managing corrosive condensates, making it a durable and reliable choice for both residential and commercial applications.
Experience the durability and peace of mind that come with FasNSeal Flex’s silicone-free components, reducing the risk of system breakdown and ensuring a leak-free installation. The triple-lipped directional gaskets and built-in locking band provide secure connections, emphasizing safety and longevity. Whether navigating horizontal runs, addressing venting restrictions, or managing condensates, the FasNSeal Flex offers a comprehensive solution. With a complete lineup of accessories, including elbows, termination kits, and wall thimbles, and professional technical support from DuraVent, achieving a customized and high-performance venting system has never been easier. Upgrade your fireplace setup with FasNSeal Flex – where flexibility meets reliability for a superior venting solution.
Duravent Fireplaces has earned a prominent position within the industry by consistently delivering state-of-the-art venting solutions that redefine the performance of fireplaces. The company’s unwavering commitment to innovation and quality has positioned Duravent as a reliable partner for homeowners, contractors, and commercial developers alike. Specializing in crafting venting systems that not only meet the highest safety standards but also prioritize efficiency and durability, Duravent Fireplaces has become a go-to source for cutting-edge fireplace solutions.
One of Duravent’s standout products is the FasNSeal Flex, a flexible chimney liner designed to cater to natural gas or propane appliances across various categories. This versatile product showcases the company’s dedication to providing comprehensive solutions for a wide range of venting needs. Duravent’s emphasis on customer satisfaction extends beyond its product offerings, as the company also provides professional technical support. This commitment ensures that customers receive not only top-of-the-line products but also the guidance needed for seamless installations and optimal performance.
Duravent Fireplaces’ reputation is built on a foundation of reliability, innovation, and a customer-centric approach. As the industry evolves, Duravent continues to lead the way, setting new standards for fireplace venting solutions and reinforcing its position as a trusted and forward-thinking player in the market.
Q1: Is FasNSeal Flex suitable for both residential and commercial applications?
A1: Yes, FasNSeal Flex is versatile and designed for use in both residential and commercial settings.
Q2: What diameters are available for FasNSeal Flex?
A2: FasNSeal Flex is available in diameters ranging from 3″ to 12″.
Q3: Can FasNSeal Flex be used for venting high-efficiency gas boilers?
A3: Absolutely, FasNSeal Flex is an ideal choice for venting high-efficiency gas boilers, furnaces, water heaters, and more.
Q4: Is professional technical support available for system design and installation assistance?
A4: Yes, Duravent offers professional technical support to assist with system design and installation queries.
Q5: What is the maximum positive pressure that FasNSeal Flex can handle?
A5: FasNSeal Flex has a maximum positive pressure rating of 6″ water column.
Q6: Is FasNSeal Flex UL Listed?
A6: Yes, FasNSeal Flex is UL Listed to UL 1738 standard.
Q7: Can FasNSeal Flex be used for venting propane appliances?
A7: Yes, FasNSeal Flex is suitable for use with both natural gas and propane appliances.
Q8: What is the maximum rated operating temperature for FasNSeal Flex?
A8: FasNSeal Flex has a maximum rated operating temperature of 480°F (249°C).
Q9: Are there specific clearances required for FasNSeal Flex installations?
A9: Yes, refer to the product guidelines for clearances to combustibles based on the venting configuration.
Q10: Can FasNSeal Flex be used for both vertical and horizontal installations?
A10: Yes, FasNSeal Flex is suitable for vertical, horizontal, and near-vertical installations.
Dreifuss Fireplaces Has Been the Top Provider
of High-Quality Fireplace Installation in PA Since 1876.
Monday - Friday : 8am - 5pm
Saturday : 10am - 2pm
Dreifuss Fireplace Has been the Top Provider of High-Quality Fireplace Installation in PA Since 1876.
Copyright 2024 – Dreifuss Fireplaces. All Rights Reserved.
Dreifuss Fireplaces Has Been the Top
Provider of High-Quality Fireplace
Installation in PA Since 1876.
Copyright 2024 – Dreifuss Fireplaces. All Rights Reserved.
