Pentair High Flow Manual Air Relief Valve | 2000 Series, 4000 Series & FNS Plus Filters | 98209803Z SCLT Rotation: CCW Pump Ed

Rotation: CCW Pump Ed

⚠️ IMPORTANT: Full Filter Service Requires 4 Cartridges (Muskin FE-40)

For pools up to 45

Before installing the new spider gasket

Pentair High Flow Manual Air Relief Valve | 2000 Series, 4000 Series & FNS Plus Filters | 98209803Z SCLT Rotation: CCW Pump EdThe Pentair High Flow Manual Air Relief Valve (98209803Z) is the OEM replacement air relief valve assembly for Pentair 2000 Series, 4000 Series, and FNS Plus D. E. filters. What It Does The manual air relief valve allows trapped air to be purged from the filter tank before and after servicing, maintaining proper water flow and preventing air locks within the filtration system. A failed or leaking air relief valve can compromise filter performance and