Pentair Diffuser Assembly | Triton II Sand Filter | 154599Z Control System Parts or intermittently failing to trigger

or intermittently failing to trigger relays

air relief valve assembly

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

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

Pentair Diffuser Assembly | Triton II Sand Filter | 154599Z Control System Parts or intermittently failing to triggerThe 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