Selkirk 4"/5"/6" Storm Collar (Oval Type B Gas Vent) d56 Weighted average overall efficiency: 72%

Weighted average overall efficiency: 72%

Napoleon Conversion Kit - Natural Gas to Propane for 38" Acies Fireplace

Item Number FG-ICB Product Type Ignition Control Box Warranty

10" 2/12 To 5/12 Pitched Roof Flashing

44" x 6-1/4" x 1-3/16" (Per Piece)

Selkirk 4"/5"/6" Storm Collar (Oval Type B Gas Vent) d56 Weighted average overall efficiency: 72%Selkirk 4" 5" 6" Storm Collar The storm collar serves as a counter flashing and requires mastic to seal to the vent pipe. Oval Type B Gas VentModel OV Type B Gas Vent offers all of the advantages and installation conveniences of round pipe in a compact oval design. An aluminum inner liner designed to assure quick vent action and minimal condensation. Complete line of components that work together with Model RV round Type B Gas Vent. 4" to 6" Diameter: