How thick a wall will this thimble work?
A. The Simpson Dura-Vent 3PVP-WT3 is able to be between four inches and eight inches. For further installation questions please take a peek at the installation manual for this product: http://www.northlineexpress.com/Images/Pdf/PelletVentProInstallation.pdf If there is anything more I can do to assist you in purchasing this product please let me know.




















