When it comes to venting solutions, DuraVent stands unrivaled at the pinnacle of excellence. With a legacy of delivering top-notch products, we have solidified our reputation as the industry's leading provider for HVAC and Hearth markets. Our commitment to innovation, safety, and professionalism shines through in every product we offer.
Introducing the DuraVent 5" Inner Diameter Type B Gas Vent Increaser – a game-changer in the world of venting systems. Designed with precision engineering and equipped with our proprietary DuraLock system, this increaser guarantees a lock-tight connection like no other. As you witness the alignment indicators meet, feel the ends seamlessly grasp together, and hear the satisfying snap of a firm, secure connection, you'll understand why DuraVent is the go-to choice for professionals.
Crafted to withstand the rigors of job site demands, the inner wall of the Type B Gas Vent is ingeniously recessed to eliminate handling damage. But that's not all – our venting system is engineered to heat up rapidly, ensuring minimal condensation during operation, both in the appliance and vent system. Whether you require pipe lengths ranging from 6 to 60 inches or an array of adjustable and rigid fittings, DuraVent has you covered.
However, it's important to 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. Safety and precision are paramount, and our product reflects that commitment.
- Effortless Expansion: Easily increase your vent diameter with our user-friendly design.
- Customization: Additional sizes are available through special orders to meet your specific needs.
- Durability: Crafted from high-quality aluminum for lasting performance.
- Versatility: Suitable for natural gas or liquid propane Category I and draft hood equipped appliances.
- Wide Range of Applications: Ideal for natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications.
- Quality Materials: Our aluminum inner wall and galvanized outer wall ensure longevity and reliability.
- Easy Installation: Twist-lock fittings for diameters 3" - 16", while screws are required for 14" and larger diameters.
- Use to increase vent diameter.
- Additional sizes are available through special orders.
- Color: Aluminum.
- DuraVent’s Type B Gas Vent system. Use with natural gas or liquid propane Category I and draft hood equipped appliances, and appliances tested and listed to use Type B Gas Vent.
- Applications include natural gas fireplaces, gas-fired furnaces, boilers, water heaters, and wall or space heating applications.
Materials and Construction:
- Round Type B Gas Vent 3” - 8” and oval 4” - 6”: Aluminum .012” inner wall, galvanized .018” outer wall.
- Round Type B Gas Vent 10” - 16”: Aluminum .016” inner wall, galvanized .021” outer wall.
- Round Type B Gas Vent 18” - 30”: aluminum .020” inner wall, galvanized .021” outer wall.
- 3”-16” diameters feature twist-lock fittings, and screws are required for 14” and larger diameters.
|5" x 6" Inner Diameter x 6.75" Height
|5" x 7" Inner Diameter x 6.75" Height
|5" x 8" Inner Diameter x 6.75" Height
|1" to combustibles in single and multi-family dwellings
|UL Listed to UL 441 and UL 1777(MH6357), ULC listed to ULC S605 (CMH1276 & CMH1407).
- Download Product Catalog
- Download Installation Manual
- Download Typical Installations
- Download TypeB Gas Vent Specs Sheet
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.
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.
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.
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 firstname.lastname@example.org for any questions regarding shipping time.
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