Need to increase the diameter of your PelletVent Pro Vent Pipe? This PelletVent Pro 3-Inch to 4-Inch Vent Pipe Increaser expands a pipe's diameter from 3" to 4".
Applications - PelletVent Pro is a venting system designed for stoves and inserts that use wood pellet and oil fuel. (Rated for continuous use flue temperatures up to 570° F.)
Materials and Construction - Laser-welded, double-wall pipe with an inner wall of .012” stainless steel and a .018” laser-welded galvalume outer wall. Painted black exterior available.
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).
Simpson Dura vent Item Number: 3PVP-X4

- Increases the diameter of PelletVent Pro Vent Pipe from 3" to 4"
- 4.75" tall
- Limited lifetime warranty

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Manual (PDF)