DuraVent DuraPlus 6"-8" Diameter Flat Ceiling Support Box
DuraPlus is designed to stay cool on the outside, to provide a hot draft on the inside, to boost stove efficiency, and provide a fire-safe design that protects both the chimney and the building. This triple-wall chimney features two insulating layers (refractory blanket, plus air space). The refractory insulation is held securely in position, eliminating hot spots common with loose-fill type insulations. In the event of a creosote fire, the compressible blanket insulation permits the chimney liner to expand outwardly in a radial direction
Designed for normal, continuous operation at 1000° F flue gas temperatures, DuraPlus is subjected to rigorous and stringent HT requirements of the UL standard, including one hour at 1400° F, plus three ten-minute chimney fire tests at 2100° F.
- Supports chimney pipe and provides a positive connection between support box and chimney with a built-in twist-lock.
- Designed for installation in flat ceilings only.
- Supports up to 35’ of DuraPlus chimney pipe.
- Use an adapter to attach DVL or DuraBlack to the support box.
- Not painted, but can be painted with high-temperature paint.
- A 2” wide trim collar is included.
- For adapters, see DVL and DuraBlack section.
Materials and Construction
- .016” 430 stainless steel outer wall
- .016” 430 stainless steel inner liner.
- .018” galvanized steel outer wall.
- .018” aluminized steel intermediate liner.
- Insulated layers plus ventilated air space.
- Locks tightly with a precision twist-lock connection.
|Diameter||6" (inner)||7" (inner)||8" (inner)|
|Dimensions||14.25"(W) x 8.5"(H)||14.25"(W) x 8.5"(H)||14.25"(W) x 8.5"(H)|
|Clearances||2" clearance to combustible|
|Listings||UL Listed to UL 103HT (MH7399).|
- Download Product Brochure
- Download Product Catalog
- Download Installation Manual
- Download Installation Guide
- Download Typical Installation
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.
At Belleflame, we believe that shopping should be simple, stress-free, and most importantly, enjoyable. That's why we work hard to bring you the best products, prices, and customer service in the industry.
Here are just a few reasons why you should choose us:
- Wide Selection of Products: We offer a vast selection of top-quality products from the leading brands in the industry. No matter what you're looking for, we have something for everyone.
- No Sales Tax, no Hidden Fees: just the lowest prices on the market. When you shop with us, you can rest assured that the price you see is the price you'll pay. No matter where you live, you can enjoy tax-free shopping with us.
- Fast and Free Shipping: We understand that you want your products as soon as possible. That's why we offer fast and free shipping on all orders.
- Easy Returns: We want you to be completely satisfied with your purchase. If for any reason you're not happy, just let us know and we'll make it right.
As soon as you place your order, you will receive a confirmation email. After that, we double-check if all items ordered are in stock and available for immediate shipment. If your order is available for the delivery within the advertised time frame, we will submit it for shipment to the warehouse. If the expected delivery time exceeds the advertised time frame, we'll reach out to you via email and/or phone to confirm the order.
Within 1 business day from the time the item has been shipped, you will receive an email confirmation with tracking number. If you would not receive tracking information within six business days of your order, feel free to follow up with us.
Estimated Time of Arrival:
We typically deliver within 2-10 business days. Custom made products are usually delivered within 3-5 weeks. 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 reach out to you to confirm if you are OK with that date.
All estimated delivery dates and shipping costs advertised on the website apply the the Contiguous United States only. Please contact our customer service team to discuss the time and cost of shipping to Hawaii or Alaska. We don't ship directly to Canada, but we can 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 can cancel your order at absolutely no cost to you before the shipping label or Bill of Lading has been created, or before production of a custom order has started. Custom made items are not eligible for refunds after production has started. To be eligible for a return, the item must be unused and in the same condition as you received it. It must also remain in the original packaging, and the packaging must be in a perfect condition. Orders delivered outside the United States are not eligible for refunds. If your order arrived damaged, "Damages" section applies. Our refund policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately, we can’t offer you a refund. Please contact us before returning an item to discuss shipping details. All refunds will be issued to the credit card or PayPal account you used for your purchase within 2 days after all returned items arrived at our warehouse.
Please contact firstname.lastname@example.org for any questions regarding shipping time.
At Belleflame, we're committed to providing our customers with the best prices on the market. That's why we offer a 110% best price guarantee. If you find a better deal on the same product somewhere else, just let us know and we'll beat it by an additional 10%.
We believe that shopping should be easy, convenient, and most importantly, affordable. That's why we work hard to bring you the lowest prices on the products you love. But if you do happen to find a better deal elsewhere, we'll go the extra mile to make sure you get the best deal possible.
Here's how it works:
- Find a lower price on the same product from another retailer.
- Contact us with the details of the offer, including the website or store name, product name, and price.
- We'll verify the price and beat it by an additional 10%.
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.
100% Guaranteed Secure Checkout
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.