Selkirk 4" BW Attic Shield (Oval Type B Gas Vent) ocean-blue By effectively heating only the

By effectively heating only the areas you spend most of your time

Input (BTU/HR) 41

For use with the Invicta Kazan cast iron wood stove

for the FAW40 Counterflow Wall Furnace

F-1730 Height 31 in

Selkirk 4" BW Attic Shield (Oval Type B Gas Vent) ocean-blue By effectively heating only theSelkirk 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