Pentair Sight Glass for HiFlow Multiport Valve for Sand Filters | 272550 FS2004 When fitting the replacement dome

When fitting the replacement dome head

Pentair Part Number GW9503 Also Known As / Legacy Brand Pentair (formerly Kreepy Krauly) Great White Oscillator Assembly Kit Quantity Included Kit Pro Tip

or visible leakage at the filter base

Pentair 2" PVC Push-Pull Valve Kit

designed to provide a secure

Pentair Sight Glass for HiFlow Multiport Valve for Sand Filters | 272550 FS2004 When fitting the replacement domeThe Pentair Sight Glass, (272550) is the OEM replacement sight glass for the HiFlow Six Way 1 1 2 In. Top Mount Multiport Valve and the TA Tagelus Top Mount Multiport Valve used with Pentair sand filters. IMPORTANT: DATE OF MANUFACTURE RESTRICTION This sight glass was not included on valves manufactured before March 1, 1993. Verify your valve's manufacture date before ordering if your valve predates this cutoff, it was not built to accept this