Pentair Diffuser Assembly | Triton II Sand Filter | 154599Z Water Features This kit contains every O-ring

This kit contains every O-ring position for the Pentair Slide Valve — one kit services one complete valve

Genuine Pentair replacement part

The 2" female SAE threaded bottom cap threads directly onto the standpipe for a secure

The plaster ring seats against the front face of the niche housing

not separate filter model numbers

Pentair Diffuser Assembly | Triton II Sand Filter | 154599Z Water Features This kit contains every O-ringThe Pentair Diffuser Assembly (154599Z) is the OEM replacement diffuser for the Triton II Sand Filter model TR60. The diffuser sits at the top of the filter's sand bed and distributes incoming water evenly across the filter media during the filtration cycle. A cracked or damaged diffuser disrupts this distribution pattern, channeling water through a narrow path in the sand rather than spreading it uniformly reducing filtration effectiveness and