Pentair Suction Fitting Black | IntellipH Container | 521508 Specialty Chemicals The FullFloXF valve is available

The FullFloXF valve is available in multiple configurations — matching the part number stamped or molded on your original component is the most reliable way to confirm you have the correct replacement

locate the part number molded directly into your existing volute and confirm it reads 350089Z before ordering

Match the part number on your existing impeller to 355604Z to confirm you have the correct HP rating for your specific Challenger configuration before installation

OEM Brand Product Name Replaces Part # Notes Hayward Star-Clear Plus C900 CX900RE Single cartridge per service Sta-Rite Posi-Clear PXC-95 25230-0095S Single cartridge per service Waterway Plastics Pro Clean 100 817-0100P Single cartridge per service Waterway Plastics Clearwater II 100 — Uses same cartridge as Pro Clean 100

Pentair Suction Fitting Black | IntellipH Container | 521508 Specialty Chemicals The FullFloXF valve is availableThe Pentair Suction Fitting (521508) is the OEM replacement black suction fitting for the IntellipH Chemical Container, used within Pentair's chemical dosing systems. This fitting draws liquid chemical from the IntellipH container and delivers it into the dosing line. A cracked, brittle, or improperly seated suction fitting compromises chemical draw, resulting in inconsistent dosing and potential system faults. Replacing this fitting with the correct