Metal-Fab Type B-Vent 4" x 4" x 4" Swivel Wye 61.25in which in any way expands

which in any way expands

construction and operation of high performance green buildings

For use with biomass fuels such as pellet

Propane Conversion Instructions

Metal-Fab Type B-Vent 4" x 4" x 4" Swivel Wye 61.25in which in any way expandsType B Gas Vent products are tested and listed to UL 441 for approved gas appliances and feature our innovative twist lock connection and locking tab, eliminating the need for sheet metal screws. Metal Fab Type B Gas Vent combines hemmed flues and casings that maximize product durability and reliability and minimize installation time. Designed for versatility, Metal Fab Type B Gas Vent products 3" 6" adapt to major competing brands and when installed