DuraVent | DuraFlex Pro 30' Flex Pipe Length Top Plate/Cap Kit

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Regular price$917.04 Sale price$1,018.94
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Size: 4"
⛟ Estimated Delivery Date: Between and to all states excl. Alaska & Hawaii.


When it comes to venting, precision, durability, and innovation are non-negotiable. That's where DuraVent steps in as the undeniable industry leader. Our commitment to excellence has led us to introduce the DuraFlex Pro 30' Flex Pipe Kit, setting new standards in venting solutions. Designed with meticulous attention to detail, this kit revolutionizes the way you approach HVAC and hearth installations.

Crafted from 316 Stainless Steel, DuraFlex Pro boasts a remarkable 20% more stainless steel per foot compared to other liners on the market. This means unparalleled strength and flexibility for your projects, ensuring they stand the test of time. Say goodbye to cumbersome installations; DuraFlex Pro's extreme flexibility empowers you to conquer challenges effortlessly, even in situations requiring multiple offsets.


  • Unmatched Durability: DuraFlex Pro features superior corrosion-resistant 316 Stainless Steel, providing long-lasting performance and peace of mind.
  • Effortless Flexibility: Navigate complex installations with ease, thanks to DuraFlex Pro's extreme flexibility, simplifying your project's success.
  • Versatile Applications: Whether it's gas, wood pellet, oil, or wood appliances, DuraFlex Pro adapts seamlessly to various heating systems.
  • Premium Quality: With a reputation for innovation and safety, DuraVent ensures that every component meets the highest industry standards.
  • Customization: Tailor your venting system precisely to your needs with the option to order custom lengths, providing ultimate flexibility for your projects.

Key Features

  1. Kit Flex Lengths: Choose from 20', 25', 30', and 35' options, ensuring you have the perfect fit for your installation.
  2. Comprehensive Kit: Includes DuraFlex SS Top Plate with Welded Storm Collar, DuraFlex SS Removable Vertical Cap, DuraFlex SS Connector, and DuraFlex Pro Length.
  3. Secure Connection: The flex remains securely attached to the Storm Collar/Top Plate, simplifying inspections and cleaning.
  4. Top Plate with Welded Storm Collar: Seals the top of masonry chimneys and supports flex securely.
  5. Removable Vertical Cap: Easily terminate your relining system with this cap, attached to the storm collar with a fast connect band.


DuraFlex Pro redefines flexible relining for masonry chimneys, offering unmatched versatility. It seamlessly pairs with gas, wood pellet, oil, or wood appliances, making it an ideal choice for various heating solutions. Applications include fireplace inserts, furnaces, boilers, and water heaters. Trust in DuraFlex Pro for a venting solution that stands the test of time.


Model Size Flex Length
4DFPRO-30VCK 4" 30 ft.
55DFPRO-30VCK 5.5" 30 ft.
6DFPRO-30VCK 6" 30 ft.
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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It's that simple! Our 110% best price guarantee ensures that you'll always get the best deal possible when you shop with us. So, why wait? Start shopping now and experience the difference of shopping with Belleflame.

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