DuraVent | PelletVent Pro 3"-4" Inner Diameter Wall Thimble Air Intake Kit

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Regular price$257.08 Sale price$285.65

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Size: 3"
Flex: 2"
⛟ Estimated Delivery Date: Between and to all states excl. Alaska & Hawaii.

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Unleash the full potential of your heating system with the DuraVent 3"-4" Inner Diameter PelletVent Pro Wall Thimble Air Intake Kit. As the crown jewel of venting solutions, DuraVent has set the gold standard in the industry, earning the trust of professionals and homeowners alike. Our commitment to innovation shines through in every meticulously crafted component, making PelletVent Pro the pinnacle of excellence.

With a focus on safety, durability, and aesthetics, PelletVent Pro is a game-changer in the world of stoves and inserts. Engineered to perfection, it flawlessly channels flue gases, ensuring a clean and efficient combustion process. The secret lies in its laser-welded inner and outer walls, providing an unparalleled fit and finish. Plus, select components are available in a sleek black finish, adding a touch of elegance to your system.


  1. Unmatched Safety: PelletVent Pro boasts a double-wall, air-insulated design that maintains a 1” clearance to combustibles in both the USA and Canada. You can trust it to keep your home and loved ones safe.

  2. Hassle-Free Installation: Say goodbye to cutting additional holes in your wall. Our kit includes a 2” diameter flex hose that stretches to a generous 10 feet in length, allowing for outside fresh air intake without extra wall penetration.

  3. Reduced Air Infiltration: The included insulation ring ensures minimal air infiltration where the pipe slips through the thimble, optimizing your system's efficiency.

  4. Versatile Usage: PelletVent Pro isn't limited to just one fuel type. It's engineered to handle wood pellets, corn, biofuels, and even oil, offering you unparalleled versatility.

  5. Long-Lasting Performance: Backed by a limited-lifetime warranty, you can trust that your PelletVent Pro Wall Thimble Air Intake Kit will deliver peak performance for years to come.

Key Features

  1. Patented Design: Our innovative design sets PelletVent Pro apart, ensuring it meets the highest industry standards.

  2. Clamps Included: We've thought of everything. Clamps are included for your convenience, making installation a breeze.

  3. Flexible Hose: The 2” diameter flex hose, extending up to 10 feet, adapts to your system's needs without compromise.

  4. Minimal Wall Alteration: No need to cut additional holes; our kit enables fresh air intake through the thimble.

  5. Quality Materials: Crafted with a .012” inner wall of corrosion-resistant stainless steel and a .018” laser-welded galvalume outer wall, PelletVent Pro is engineered to last.


The PelletVent Pro Wall Thimble Air Intake Kit is a versatile solution designed for stoves and inserts that use a range of fuels, including wood pellets, corn, biofuels like cherry pits, soybeans, and more. With a continuous use flue temperature rating of up to 570°F, it's the ideal choice for your heating system.


Model Dimensions Flex
3PVP-WTI 3" (I.D) x 13" x 13" (W) 2" I.D x 10 Ft. Length
4PVP-WTI 4" (I.D) x 13" x 13" (W) 2" I.D x 10 Ft. Length
4PVP-WTI3 4" (I.D) x 13" x 13" (W) 3" I.D x 10 Ft. Length
Clearances 1” clearance to combustibles in the USA and Canada for appliances using corn and other biofuels, wood pellets, or oil.
Listings c-UL-us Listed to UL 641, ULC S609, and ULC/ORD C441 (MH8381 and MH14420).
Warranty Limited-lifetime warranty

Typical Installations

For a seamless installation experience, refer to our Typical Venting Installation drawings in the download section below. Here are a few essential tips:

  • Ensure the inner pipe diameter matches your appliance's outlet size.
  • Check the appliance manufacturer's installation instructions for approved vent configurations.
  • Maintain proper clearances between the vent pipe and combustibles, following local building codes.


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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