Approved for Takagi and Noritz tankless water heaters for venting vertically using 4 inch diameter Category III Stainless Steel Venting.
AL29-4c Stainless Steel
A) 0/12 to 6/12 PITCH ROOF FLASHING (7/12 to 12/12 pitch also available - just ask for substitute in comments section when ordering)
B) 3oz. Hi-Temp Sealant for Sealing the Storm Collar
C) STORM COLLAR
D) 36 INCH PIPE
E) RAIN CAP
F) 24 INCH PIPE
G) APPLIANCE ADAPTER with built-in Backflow Prevention.