Hayward Weir Assembly | SPX1089K Panama Jack Austin Collection It forms the internal underdrain

It forms the internal underdrain that collects filtered water while keeping sand media in the tank

Millivolt Ignition

Amperage Rating: 3A/6A

Delivers consistent airflow for spa jets and aeration

Hayward Weir Assembly | SPX1089K Panama Jack Austin Collection It forms the internal underdrainWhat This Part Is Used For The SPX1089K weir assembly installs inside compatible Hayward skimmer housings. It controls surface water flow into the skimmer throat to improve debris capture. Why This Part Matters A broken or missing weir reduces surface skimming and allows debris to float back into the pool. That increases strain on the filter and circulation system. Replacing the weir restores consistent surface draw and cleaner water. Key Features and