DuraVent | DuraFlex AL Coupler 3"-4" Inner Diameter Type B Gas Vent — Home Selection
BUY IN BULK AND GET 10% OFF NOW Code "BULK"
BUY IN BULK AND GET 10% OFF NOW Code "BULK"
Call Button
Call Now Get up to $200 OFF when you call! Ends in 10:00

Customer Reviews

John D. "Great service! Highly recommend."

Jane S. "Saved $50 on my order."

Mike T. "Fast and reliable support."

 

 

DuraVent | DuraFlex AL Coupler 3"-4" Inner Diameter Type B Gas Vent

In the ever-evolving world of HVAC, where innovation meets necessity, one name stands tall - DuraVent. Our commitment to excellence has made us the undisputed leader in the venting industry. Today, we proudly introduce the DuraVent DuraFlex AL Coupler Type B Gas Vent - a revolutionary solution designed to elevate your heating appliances and redefine efficiency. Step into the future of HVAC with us!

Benefits

  1. Effortless Connection: Seamlessly link DuraFlex AL lengths to PolyPro and experience unmatched convenience in your venting systems.

  2. Condensation Elimination: The aluminum inner pipe heats up rapidly, remaining hot during operation. Bid farewell to the damaging effects of flue product condensation.

  3. Versatile Compatibility: Connects DuraFlex Aluminum flex to any brand of B-vent, saving time and money during masonry chimney relining projects.

  4. Reliable Performance: Suitable for natural gas or liquid propane category I appliances, including fireplaces, furnaces, boilers, water heaters, and space heating applications.

  5. Proudly American-Made: Rest assured knowing that your DuraFlex AL Coupler is 100% manufactured in the USA, meeting the highest quality standards.

Key Features

  1. Universal Connection: Use it to connect DuraFlex AL lengths to PolyPro effortlessly, ensuring a secure and efficient venting system.

  2. Condensation Prevention: The aluminum inner pipe quickly heats up and remains hot during operation, preventing the formation of damaging condensation.

  3. Compatibility Matters: Connects DuraFlex Aluminum flex to any brand of B-vent, saving time and money on chimney relining projects.

  4. Safety First: Designed for use in combustion air only, guaranteeing safety and optimal performance.

  5. Made in the USA: Trust in American craftsmanship - our DuraFlex AL Coupler is proudly manufactured in the United States.

Applications

The DuraVent DuraFlex AL Coupler Type B Gas Vent is your go-to solution for a wide range of heating applications:

  • Natural Gas Fireplaces: Ensure a safe and efficient venting system for cozy evenings by the fire.

  • Gas-Fired Furnaces: Keep your home warm during the coldest months with reliable venting for your furnace.

  • Boilers: Optimize boiler performance while safeguarding your chimney from condensation damage.

  • Water Heaters: Enjoy hot water without worries, knowing your venting system is up to the task.

  • Space Heating Applications: Whether it's a garage, workshop, or any other space, count on DuraFlex AL Coupler for superior venting.

 

Specifications

Model Size
3DFA-FCP 3"
4DFA-FCP 4"
Vent Type Type B Gas Vent
Materials & Const. 010” aluminum (2-ply of .005”)
Clearance 0” clearance to masonry
Listings Listed to UL 1777 and ULC S635
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.

Free Express Shipping on All orders within the USA

Read Our Shipping Policy Here

30 Day Free Returns on all orders

Read about our Returns Policy Here

Request A Quote

Skip to content
★★★★★ Rated 4.8/5 by HVAC Professionals Trusted by Over 1,000 HVAC Technicians Nationwide

DuraVent | DuraFlex AL Coupler 3"-4" Inner Diameter Type B Gas Vent

SKU
In stock | ETA: to
$54.88

Notify me when back in stock

DuraVent | DuraFlex AL Coupler 3
Regular price $51.58
Sale price $41.27
Product successfully added to your cart!

DuraVent | DuraFlex AL Coupler 3"-4" Inner Diameter Type B Gas Vent Reviews

Build the perfect HVAC unit

Get up to 40% OFF on your next system with our custom tool!

Build Your SYSTEM

Latest from HVAC & More

  • Do Mini Splits Heat and Cool?

    Hey there! Ever wondered how to keep your home cozy in the winter and cool in the summer without ...

  • MRCOOL Easy Pro vs. DIY 4th Generation | 5 Differences

    Looking for the best DIY mini split systems and don’t know where to start your search? A comparat...

  • How Much Does a MRCOOL cost?

    How much does it cost to install a MRCOOL mini split? That's the question we hear from customers ...

Read about HVAC

FREE EXPRESS SHIPPING

Process orders in 1 business day

Stress Free Returns

2 Year Returns

Primum Quality

Top Tier Products, Even Better Customer Care

5 Year Warranty

We Believe In Our Products & Our Team