Selkirk 4" BW Attic Shield (Oval Type B Gas Vent) w18.1 Reduced Trim Kit – A

Reduced Trim Kit – A clear

These flame control key valves are available in a variety of colors with standard capacity (1/2″) or high capacity (3/4″) valves

Model PENTA24FPPK-FLEX Dimensions L-24" x W-24" Max BTU 90

including bubbles or blemishes

Selkirk 4" BW Attic Shield (Oval Type B Gas Vent) w18.1 Reduced Trim Kit – ASelkirk 4" BW Attic Shield The Type BW attic shield is used on a single story AVS building or on the top story of a multi story building for Type BW gas vent. A 26 gauge galvanized sleeve should extend from the top of the ceiling plate into the attic. A Type BW attic shield is required by Los Angeles Code and UMC. Oval Type B Gas Vent Model OV Type B Gas Vent offers all of the advantages and installation conveniences of round pipe in a compact oval