Allows for the passage of a vent pipe through a wall. Gives 1" clearance to combustibles. Adapts to a wall thickness of 3 7/8" to 8". Will fit pipes with 4" diameter. Included limited lifetime warranty. Installation requires 7.5" x 7.5" square opening. This unit necessitates a venting pipe with a 4 inch inner diameter. The channel for a vent pipe to pass through a flammable wall is created by this thimble. The PelletVent Pro system is designed for wood pellet or oil-burning stoves and inserts that produce a continuous use flue temperature of up to 570 degree F. The item can be utilized with wall thicknesses ranging from 3-7/8" to 8" and vent pipes with a diameter of 4" to give the necessary 1" clearance to combustibles. A limited lifetime warranty is included with the thimble. A 7.5" x 7.5" square hole is required for installation.

Allows vent pipe to pass through a wall Provides the required 1" clearance to combustibles Accommodates wall thicknesses of 3 7/8" to 8" Fits vent pipes with a 4" diameter Limited lifetime warranty *Installation requires 7.5" x 7.5" square opening