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Duravent

Duravent DVL Double-Wall Adjustable Pipe, 6" and 8"

Duravent DVL Double-Wall Adjustable Pipe, 6" and 8"

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Duravent DVL Double-Wall Adjustable Pipe, 6" and 8"
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The Duravent DVL adjustable pipe is a double-wall black slip length that makes up the odd inches in a DVL run, offered as a 6 inch in 6 or 12 inch lengths and an 8 inch in a 12 inch length. Used with rigid sections, the 6 inch length adds 2 to 5 inches and the 12 inch length adds 2 to 11 inches. Duravent part numbers 6DVL-6ADJ, 6DVL-12ADJ and 8DVL-12ADJ.

2" to 11"Of added length
6" to walls8" to ceilings
No cuttingDVL is not cut
ULC S641c-UL-us listed

Details

Part numbers6DVL-6ADJ (6" x 6"), 6DVL-12ADJ (6" x 12"), 8DVL-12ADJ (8" x 12")
6" lengthAdds 2" to 5" when used with rigid sections
12" lengthAdds 2" to 11"; can be ovalized for an oval-to-round connection
LockingScrew to the mating pipe once set
Construction.016" stainless steel inner wall, .018" galvanized outer wall painted black, air insulated
Listingc-UL-us listed to ULC S641 (UL file MH14089)
Clearance6" to walls, 8" to ceilings including cathedral ceilings
Joints3 #8 x 3/8" screws equally spaced at each connection
BrandDuravent
Do not enclose DVL or run it through a wall or ceiling.Duravent's instructions say double-wall connector pipe and fittings must not be enclosed or pass through walls, ceilings, attics or closets. Keep 6 inches to walls and 8 inches to ceilings, measured at 90 degrees to the pipe, and follow the appliance manual, which decides the venting.

Questions people ask us

How does the adjustable pipe work?

It slides over the mating section to the length you need, then you screw it to lock the length, as Duravent's instructions describe.

Will it fit an oval stove outlet?

Duravent says the 12 inch adjustable can be ovalized for an oval-to-round connection. Check the appliance manual.

Can DVL pipe be cut to length?

No. Duravent says DVL pipe cannot be cut. Use the adjustable or telescoping lengths to make up the run, and lock them with screws once set.

Is DVL a chimney?

No. DVL is double-wall connector pipe (stovepipe). It runs inside the room from the appliance to a Duravent factory-built chimney listed to UL 103HT, such as DuraPlus or DuraTech. Duravent says it must not be enclosed or pass through walls, ceilings, attics or closets.

Which appliances can DVL connect?

Duravent's instructions say DVL is used to connect an appliance that burns wood, coal, oil or gas, and that every wood burning appliance needs its own connector and chimney. The appliance manual decides the approved venting, so send us the appliance model if you want it checked.

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Manuals and warranty

Duravent manuals and warranty

Warranty terms come from Duravent and depend on the product. Read the manual and the warranty for your model before you order.

Our warranty library· DVL installation instructions (PDF)· DVL catalog (PDF)
Not sure which adjustable length fits? Send us the measurement you need to cover and the appliance model, and we will work out the pieces. No obligation either way.
Ask us before you order