Pentair O-Ring, Tank Flange | Sta-Rite Valves | U9-369Z C9440 as earlier versions used a

as earlier versions used a different base design

not shown in diagram Pentair IntelliFlo 2 VST Pump — IntelliFlo Series INTELLIFLO 2 VST Ozone/salt resistant

(2) 2L AquaFinesse

and accelerated wear on internal pump components

Pentair O-Ring, Tank Flange | Sta-Rite Valves | U9-369Z C9440 as earlier versions used aThe Pentair U9 369Z is the OEM replacement tank flange O ring for the Pentair (formerly Sta Rite) Multiport 2 In. Valve, providing a pressure tight seal at the valve to filter tank flange connection. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based lubricant before installation. We carry the Pentair R172351 Lifeguard Silicone Lubricant the OEM matched product for Pentair equipment. This O ring seats at