Metal-Fab Type B-Vent 3" to 4" Drafthood Increaser 74in Reliable standing pilot valve system

Reliable standing pilot valve system ensures operation in a power outage

Millivolt control models offer reliable on/off operation with remote control capabilities

Apply a 1/8″ bead of cement into the gasket channel

Product Dimensions: 22" W x 20 1/4" H x 18 1/8" D

with a lift capacity of 120 lbs

Metal-Fab Type B-Vent 3" to 4" Drafthood Increaser 74in Reliable standing pilot valve systemType 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