DuraVent 4" PelletVent Pro Pipe

DuraVent 4" PelletVent Pro pipe in every length from 6" to 60", plus adjustable sections — in Galvalume or matte black.

Straight lengths make up most of a pellet vent run: horizontally out through the wall, or vertically up through the ceiling and roof. Pipe can be installed in either direction. Each length gives up about 1-1/2" at the joint, so subtract that from every section when you add up your run. To hit an exact height or wall depth, use an adjustable section — the 12" adjustable adds 3" to 10" and the 18" adjustable adds 3" to 16" when slid over a rigid length (they do not adjust on their own).

Galvalume suits attics, chases and outdoor sections; the matte black finish looks cleaner where the pipe runs through the room. 4" ID, 4-5/8" OD. Venting a full through-the-wall job? The ComfortBilt 4" pellet vent kit bundles the parts you need. Running 3" instead? See the DuraVent 3" PelletVent Pro straight pipe.

About PelletVent Pro: DuraVent PelletVent Pro is double-wall Type L/PL pellet vent — a stainless steel inner wall inside a Galvalume outer wall, listed to UL 641 with 1" clearance to combustibles in the USA and rated for continuous flue temperatures up to 570°F. It is made for stoves and inserts burning wood pellets, corn and other biofuels, or oil. DuraVent parts use a twist-lock joint that connects only to other DuraVent PelletVent Pro components — they will not join another brand's pellet vent, so build the whole run from PelletVent Pro.

3" or 4"? ComfortBilt notes that 4" venting allows longer runs than 3", and recommends 4" on its stoves when the flue height is over 12 ft, above 5,000 ft elevation, or when the layout goes past the 3" vent-length limit. Your stove's manual sets the size it requires. Stepping up from a 3" flue collar? Start with the DuraVent 3" to 4" PelletVent Pro increaser. Shop all pellet stoves.

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