DuraVent - DuraTech 8" Diameter 8DT-21TASS Adjustable Length Chimney Section

Save $49.80
DuraVentSKU: 8DT-21TASS

Sale price$448.17 Regular price$497.97
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In the world of home heating, safety and efficiency are paramount. The DuraVent DuraTech 8" Adjustable Length Chimney Section is a testament to these priorities, delivering top-tier quality and unmatched convenience. This versatile chimney section is your answer when you require a customized fit that goes beyond standard lengths. Whether you're constructing a new chimney or upgrading an existing one, this remarkable product offers the flexibility and durability you need to ensure your home stays cozy and secure.

Engineered to perfection, this adjustable length chimney section spans from a minimum of 14" to a generous maximum of 22". It seamlessly integrates with other components of the DuraTech Chimney System, including straight pipe lengths, elbows, tees, and more. Constructed with precision and quality craftsmanship, this chimney section is designed to meet the highest industry standards. You can trust it to perform reliably, year after year, ensuring your peace of mind.


  • Customizable Fit: The DuraVent DuraTech 8" Adjustable Length Chimney Section allows you to fine-tune your chimney's dimensions, ensuring a snug and secure fit for your home heating system.

  • High-Quality Construction: Crafted with care and precision, this chimney section meets the rigorous standards of the UL Listed DuraTech Chimney System (MH7399), offering a durable and long-lasting solution.

  • Safety First: Safety is paramount, and this product complies with UL standards. You can trust it to protect your home and loved ones while enhancing the efficiency of your heating system.

  • Versatile Compatibility: Designed to seamlessly integrate with other DuraTech components, this adjustable length section makes it easy to customize your chimney to your exact specifications.

  • Effortless Installation: Installing this chimney section is a breeze when you follow the provided supplementary installation instructions and the comprehensive DuraTech Chimney Installation Instructions (L150).

  • Peace of Mind: With the DuraVent DuraTech 8" Adjustable Length Chimney Section, you can enjoy the warmth and comfort of your home heating system with confidence, knowing that your chimney is optimized for performance and safety.

  • Proven Performance: Trusted by homeowners and professionals alike, this product has a track record of excellence, making it an ideal choice for your chimney system needs.

Product Details and Dimensions:

Size 8" Diameter Adjustable Pipe 8DT-21TASS
A 14"-21"

Application and Listing:

A DuraTech Adjustable Length is a listed component of the UL Listed DuraTech Chimney System (MH7399). Installation of the Adjustable Length must comply with both these supplementary installation instructions and the full DuraTech Chimney Installation Instructions (L150).


    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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    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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