Metal-Fab Type B-Vent 4" x 12" Oval Pipe Length replacement-control-cover For use with 38" or

For use with 38" or 50" Vector Series direct vent fireplaces

75" (in) / 83

That amount will depend on the model but you want it to be about half an inch from the top of the reservoir

Charred American Oak See-Thru Log Placement Instructions

3-Part Spec Manual

Metal-Fab Type B-Vent 4" x 12" Oval Pipe Length replacement-control-cover For use with 38" orType 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