DuraVent | Type B Gas Vent Round Adjustable 14"-30" Inner Diameter Pipe

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DuraVentSKU: 14GV18A

Sale price$383.24 Regular price$479.06
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Size: 14"

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Elevate your HVAC and hearth experience with DuraVent's Type B Gas Vent system, a testament to innovation and reliability. As the premier company in the venting industry, DuraVent has earned its reputation as an industry leader by consistently delivering innovative, safe, and professional products for the HVAC and Hearth markets.

The cornerstone of this system is the revolutionary DuraLock connection. When you see the alignment indicators meet, feel the ends grasp together, and hear the snap as the connection firmly locks into place, you'll know you've chosen a venting solution that's second to none.

Designed to meet the rugged demands of the job site, the inner wall of the Type B Gas Vent is recessed to eliminate damage during handling. But it's not just about durability; this system is engineered to heat up rapidly and stay hot during appliance operation, minimizing condensation in both the appliance and vent system. With pipe lengths ranging from 6 to 60 inches and a full complement of adjustable and rigid fittings, DuraVent has your venting needs covered.

Type B gas vents are tailored for natural gas or liquid propane Category I appliances, including those equipped with draft hoods. It's your go-to solution for natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications. However, please note that Type B gas vents are not suitable for wood-burning or coal applications, industrial ovens, exhaust ranges and hoods, grease or pollution ducting, or as free-standing exhaust vents for high-temperature applications.


  1. DuraLock Connection: Experience peace of mind with the secure and reliable DuraLock connection, ensuring a tight fit every time.
  2. Rugged Durability: Designed for the job site, the recessed inner wall minimizes damage during handling, guaranteeing long-term use.
  3. Efficient Heating: Rapid heating and minimal condensation during appliance operation maximize efficiency.
  4. Versatile Lengths: Choose from a range of pipe lengths, from 6 to 60 inches, and find the perfect fit for your installation.
  5. Wide Application: Ideal for natural gas fireplaces, furnaces, boilers, water heaters, and space heating applications, ensuring compatibility with your appliances.


DuraVent's Type B Gas Vent system is your solution for natural gas or liquid propane Category I appliances. Whether you're enhancing the efficiency of your natural gas fireplace, furnace, boiler, water heater, or space heating system, this system ensures a safe and efficient venting experience.

Ideal Applications

  • Natural Gas Fireplaces: Create a cozy and efficient fireplace experience with DuraVent.
  • Gas-Fired Furnaces: Optimize your furnace's performance and keep your home warm.
  • Boilers: Ensure consistent heating and efficiency with this reliable venting solution.
  • Water Heaters: Upgrade your water heater for energy savings and reliability.
  • Space Heating: Keep your living spaces warm and comfortable, knowing your venting is secure.

Materials and Construction

  • Round Type B Gas Vent 3” - 8” and oval 4” - 6”: Crafted with precision, these vents feature an inner wall made of durable aluminum with a thickness of .012”, complemented by a galvanized .018” outer wall.

  • Round Type B Gas Vent 10” - 16”: These vents boast an aluminum inner wall with a thickness of .016” and a galvanized .021” outer wall, ensuring robust performance.

  • Round Type B Gas Vent 18” - 30”: Designed for larger applications, these vents feature an aluminum inner wall with a thickness of .020” and a galvanized .021” outer wall, combining strength and durability.

  • 3”-16” Diameters with Twist-Lock Fittings: Vents within the 3”-16” range come equipped with convenient twist-lock fittings for easy and secure assembly.

  • Screws Required for 14” and Larger Diameters: For vents with a diameter of 14” and larger, the use of screws is recommended to ensure a sturdy and reliable installation.


Model Size Length ( Adjustable )
14GV18A 14" I.D x 18" Height 10" - 16"
16GV18A 16" I.D x 18" Height 10" - 16"
18GV18A 18" I.D x 18" Height 10" - 16"
20GV18A 20" I.D x 18" Height 10" - 16"
22GV18A 22" I.D x 18" Height 10" - 16"
24GV18A 24" I.D x 18" Height 10" - 16"
26GV18A 26" I.D x 18" Height 10" - 16"
28GV18A 28" I.D x 18" Height 10" - 16"
30GV18A 30" I.D x 18" Height 10" - 16"
Clearances 1" to combustibles in single and multi-family dwellings
Listings UL Listed to UL 441 and UL 1777(MH6357), ULC listed to ULC S605 (CMH1276 & CMH1407).
Warranty Limited-lifetime warranty


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.

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At Belleflame, we believe that shopping should be simple, stress-free, and most importantly, enjoyable. That's why we work hard to bring you the best products, prices, and customer service in the industry.

Here are just a few reasons why you should choose us:

  • Wide Selection of Products: We offer a vast selection of top-quality products from the leading brands in the industry. No matter what you're looking for, we have something for everyone.
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Order Confirmation:

Upon placing your order, you will promptly receive an email confirmation. Subsequently, we will conduct a thorough inventory check to ensure all items are in stock and available for immediate shipment. If your order aligns with the advertised delivery timeframe, we will promptly process it for shipment to our warehouse. In cases where the expected delivery time extends beyond the advertised timeframe, we will reach out to you via email and/or phone for confirmation.

Order Shipment:

Within one business day of your item being shipped, you will receive an email confirmation containing a tracking number. If you do not receive tracking information within six business days of placing your order, please don't hesitate to get in touch with us for assistance.

Estimated Time of Arrival:

Our typical delivery timeframe ranges from 2 to 10 business days. Custom-made products generally require 3 to 5 weeks for delivery. If the expected delivery date for your order would fall outside of the advertised 2-10 business day time frame, our customer service team will contact you to ensure your agreement with the revised timeline.

Covered Areas:

Please note that all estimated delivery dates and shipping costs advertised on our website apply exclusively to the Contiguous United States. For inquiries regarding shipping to Hawaii or Alaska, kindly reach out to our customer service team. While we do not offer direct shipping to Canada, we are more than willing to ship your order to the freight carrier of your choice.


It is very important that you inspect the packaging of your items when they arrive and check if you received all boxes listed on the delivery receipt. If you notice any damage or shortage of packages, you must make note of it on the bill of lading, take pictures, and refuse delivery. Your note should say "refused due to damage". You must also take photos of all sides of the box and send them to us within 2 days. If there are no damages visible before opening the box, you must note "subject to further inspection may contain concealed damage". If you notice any damage after receiving the delivery, do not throw the box away, and contact us with the photos. After we receive information from you about the refused delivery or concealed damage, we immediately initiate a claim with the shipping company or with the manufacturer. After the claim is fully processed, we ship all replacements at absolutely no cost to you.

Cancellations & Refunds:

We offer free order cancellations before the shipping label or Bill of Lading is generated, or prior to the commencement of production for custom orders. Please note that custom-made items are not eligible for refunds once production has begun. To be eligible for a return, the item must be unused and in its original condition, with all packaging intact and in perfect condition. Orders delivered outside of the United States are not eligible for refunds. If your order arrives damaged, please refer to the "Damages" section. Our refund policy extends for 30 days. If 30 days have elapsed since your purchase, regrettably, we cannot process a refund. Prior to returning an item, please contact us to discuss shipping details. All refunds will be credited to the original credit card or PayPal account used for the purchase, within two days of receiving the returned items at our warehouse.

Please contact sales@belleflame.com for any questions regarding shipping time.

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We believe that shopping should be easy, convenient, and most importantly, affordable. That's why we work hard to bring you the lowest prices on the products you love. But if you do happen to find a better deal elsewhere, we'll go the extra mile to make sure you get the best deal possible.

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