Pentair Suction Fitting Black | IntellipH Container | 521508 Specialty Chemicals Its 1-1/2" male-threaded (MPT) bottom

Its 1-1/2" male-threaded (MPT) bottom connection makes it a direct-thread replacement for a wide range of spa filter housings — no adapter required in most applications

white plastic caps and brass nuts

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

If your Triton C-3 was built before March 1997

Pentair Suction Fitting Black | IntellipH Container | 521508 Specialty Chemicals Its 1-1/2" male-threaded (MPT) bottomThe 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