DuraVent | DuraFlex 316 Stainless Steel 35' Flex Pipe Length Tee Kit

Save $102.03
DuraVentSKU: 3DF316-35KT

Regular price$918.25 Sale price$1,020.28
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Size: 3"
⛟ Estimated Delivery Date: Between and to all states excl. Alaska & Hawaii.


Elevate your chimney's performance with the DuraVent 35' Flex Pipe Length DuraFlex 316 Stainless Steel Tee Kit. As the leading name in the venting industry, DuraVent is synonymous with innovation and safety. This kit represents the pinnacle of our commitment to excellence, offering you a reliable and professional solution for all your HVAC and Hearth needs.


  1. Unparalleled Durability: Crafted from 316 Stainless Steel, this kit is engineered for longevity, ensuring it can withstand the harshest conditions, including coal-fired appliances.

  2. Customizable Lengths: Tailor your venting system to your exact needs with custom lengths starting at 10 feet, making it suitable for various installations.

  3. Easy Installation: The fast connect bands and included components simplify installation, saving you time and effort.

  4. Versatile Applications: Ideal for gas, wood pellet, oil, or wood appliances, including fireplace inserts, furnaces, boilers, and water heaters.

  5. Corrosion Resistance: DuraFlex 316 offers superior corrosion resistance, making it the go-to choice for demanding environments.

Key Features

  1. Kit Flex Lengths: Choose from 15’, 20’, 25’, 30’, and 35’ flex lengths to accommodate various chimney heights and configurations.

  2. Comprehensive Kit: The kit includes essential components such as the DuraFlex SS Top Plate with a welded Storm Collar, DuraFlex SS Removable Vertical Cap, DuraFlex SS Tee with Cap, and DuraFlex 316 Length, ensuring you have everything you need for a complete installation.


The DuraVent 35' Flex Pipe Length DuraFlex 316 Stainless Steel Tee Kit is your trusted partner for a wide range of applications:

  • Fireplace Inserts: Enhance the efficiency of your fireplace with this kit, ensuring smoke and gases are safely vented away.

  • Furnaces: Keep your home warm and comfortable with reliable venting solutions for your furnace.

  • Boilers: Maintain optimal performance for your boiler system with DuraFlex's top-tier materials.

  • Water Heaters: Ensure your water heater operates efficiently, providing hot water when you need it most.


Model Size Flex Length
3DF316-35KT 3" I.D 35 ft.
4DF316-35KT 4" I.D 35 ft.
5DF316-35KT 5" I.D 35 ft.
55DF316-35KT 5.5" I.D 35 ft.
6DF316-35KT 6" I.D 35 ft.
7DF316-35KT 7" I.D 35 ft.
8DF316-35KT 8" I.D 35 ft.
Materials 316 Stainless Steel
Construction Single-Wall
Clearance 0” clearance for gas, oil, and pellet applications.
Clearance 1” clearance to masonry for wood-burning
Listings Listed to UL 1777 and ULC S635 (MH45609).
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.

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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