Selkirk 3" to 7" Low Profile Double Wall Increaser (Round - Type B Gas Vent) w37.25 galvanized Inner Diameter 10" Outer

galvanized Inner Diameter 10" Outer Diameter 13" Height 20

018" thick G90 Steel for sizes 3" to 14" diameter Clearances 1" Minimum clearance to combustibles for 3" - 24" Size W 7

Architectural Drawings

60" Plate = 7-8 bags

Selkirk 3" to 7" Low Profile Double Wall Increaser (Round - Type B Gas Vent) w37.25 galvanized Inner Diameter 10" OuterSelkirk 3" to 7" Low Profile Double Wall Increaser Used to increase pipe diamete. Used for tight installations to optimize space. (RV) Round Type B Gas Vent Model RV Double Wall Gas Vent is the installer's choice for residential, industrial and light commercial applications. The aluminum liner heats up quickly to promote strong draft. Galvanized outer provides protection against outdoor elements. Product line includes DWC Double Wall Connectors and