DuraVent DVL – DVL Decreaser

$275.62

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7” - 7DVL-X6 (+$0)
8” - 8DVL-X7 (-$39.41)
Product price: $275.62
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DuraVent DVL Decreaser: connects a larger stove outlet to a smaller pipe

The DuraVent DVL Decreaser is a fitting that reduces the pipe size between a wood stove outlet and the stovepipe or chimney above it. DuraVent allows this change only with approval from the stove maker or your local inspector. The pipe and chimney would normally be the same diameter as the stove outlet. A reduction of just 1 inch can reduce draft, the upward flow that carries smoke out through the chimney. DVL is DuraVent’s double wall black stovepipe, the pipe that runs from a wood stove to the chimney inside the room.

Choose the 7 inch size on this page to go from 7 inches down to 6 inches. The 8 inch size goes from 8 inches down to 7 inches. Get approval for that change before ordering. DVL is required for wood stove connections in manufactured homes and is listed for use in both the US and Canada. Need to go larger instead? See the DuraVent DVL Increaser fitting. The DuraVent DVL Decreaser ships free from My Cozy Outdoors with No Sales Tax (except WY) and the full manufacturer warranty.

Details

SKU: 7DVL-X6 | 8DVL-X7

Applications

Double-wall interior stovepipe for connecting wood stoves to manufactured chimney.

Materials and Construction

.016″ stainless steel inner wall.

.018″ galvanized outer, painted black.

Clearances

6″ clearance to walls. 8″ clearance to

ceilings, including cathedral ceilings.

Diameters

6″-8″

Listings

c-UL-us listed to ULC S641 (MH14089).

Instructions

Product Resources

Catalogs

Bulletins

Shipping / Freight / Return Info

Same-Day / 24 hour shipping

Same-Day/24 hour shipping - If we have the product in stock, we can ship same day if ordered before 12pm Monday - Friday (CST).

Freight Claims Policy

Please follow these very important steps when it comes to Freight Items that are damaged or missing
  • Open and inspect the order while the delivery driver is present. If delivery driver does not provide sufficient time to do so, please notate the delivery receipt.
  • By signing the delivery receipt without noting any damage or missing items, you confirm that your order arrived complete and in excellent condition.
  • Record any damage or missing pieces directly on the delivery receipt.
  • Do not discard damaged item(s) or any original packaging. For severe damage, write “Refused due to damage” on the delivery receipt and contact us immediately.
  • Report any damage within two business days, including delivery details and photos showing the issue
  • Damaged item(s) must be returned within 30 days. Failure to return them will result in a charge to the original payment method.

Return Merchandise Authorization Policy

Please follow these very important steps when Returning Items. Contact our team.
  • Submit your return request within 30 days of delivery.
  • You will receive an email within 1-2 business days confirming whether your return request has been approved or denied.
  • Please also note that a 20% restocking fee may apply to approved returns
  • If approved, you will receive an itemized Return Authorization, return shipping labels (if requested), and detailed instructions within 1–2 business days
  • From the date this email is received, you will have 14 days to return the product.
  • Once our distributor receives and inspects the returned item(s), your refund will be issued within 1–2 weeks
  • Items returned outside of this process or time frame are not eligible for a refund.

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