Comfortbilt Duravent 4" x 12" Straight Length Chimney Pipe Extension 4PVP-12
PelletVent Pro pipe features a fully unitized twist-lock construction in this 4" diameter straight length chimney pipe. Listed at 1" clearance to combustibles, in the USA, it can be used in both vertical and horizontal installations. Made from 304 stainless steel welded seam inner wall, combined with a galvalume welded seam outer wall for wood pellet, corn, oil fuel, and biofuel burning appliances. Pipe OD is diameter + 5/8". PelletVent Pro is a venting system designed for stoves and inserts that use wood pellets and oil fuel and is also built to vent corn and other biofuel products. Rated for continuous use flue temperatures of up to 570-degrees F.
• Diameter: 4" ID x 4 5/8" OD
• Construction Materials: Laser-welded, double-wall pipe with an inner wall of .012" stainless steel and a .018" laser-welded galvalume outer wall
• Clearances: 1" clearance to combustibles in the USA for appliances using wood pellets or oil. 1" clearance to combustibles in Canada for oil-burning (type L vent) appliances. 3" clearance to combustibles in Canada for wood pellet-burning appliances
• Listings: c-UL-us Listed to UL 641 (MH8381 and MH14420). ULC Listed to ULC S609, ULC/ORD C441 (CMH1439 and CMH1440)
• Twist-lock connection
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