Pentair Diffuser Assembly | Triton II Sand Filter | 154599Z Control System Parts Check your spa's owner's manual

Check your spa's owner's manual or parts diagram to confirm the full filter configuration required for your specific model before ordering

or intermittently failing to trigger relays

The Hayward Air Relief Assembly (DEX2400S) is the OEM replacement air relief assembly for Hayward ProSeries side-mount sand filters

If the seal plate shows wear marks at the ceramic seat

Before installing the new feed mast

Pentair Diffuser Assembly | Triton II Sand Filter | 154599Z Control System Parts Check your spa's owner's manualThe 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