Pentair 2" Internal Locknut | Triton C-3 & TR Series Sand Filters | 154412Z Shaft Seals Pentair Part Number 355302Z Color

Pentair Part Number 355302Z Color Black Quantity Included 1 Pro Tip

Match the capacity of your leaf trap to your pool's typical debris load

A properly seated and undamaged O-ring is essential for an airtight seal — even a minor seating gap will cause the pump to lose prime under load

⚠️ IMPORTANT: SYSTEM VERSION NOTE

Pentair 2" Internal Locknut | Triton C-3 & TR Series Sand Filters | 154412Z Shaft Seals Pentair Part Number 355302Z ColorThe Pentair 154412Z is the OEM replacement 2 inch internal locknut for Triton C 3 and TR Series sand filters, securing bulkhead fittings through the filter tank wall to maintain a watertight seal at plumbing connection points. This locknut threads onto the external portion of a bulkhead fitting from inside the tank, clamping the fitting body against the tank wall and creating a pressure rated seal. When the original nut cracks, strips, or no longer