Pentair Phase Monitor (474089) lochinvar Hayward StarClear II replacement filter

Hayward StarClear II replacement filter cartridge

pump series

The DEX2420Z8A set is a practical service option for compatible Hayward filters that need renewed air-relief sealing and cleaner long-term performance

Zodiac Polaris 180/280/360/380/3900

Multi-massage 5-point scallop design in gray

Pentair Phase Monitor (474089) lochinvar Hayward StarClear II replacement filterThis phase monitor is used in Pentair equipment applications where electrical phase protection and monitoring are important to reliable system operation. In commercial or larger equipment environments, proper phase condition can help protect motors and control components from problems related to incorrect voltage, phase loss, or phase imbalance. It is best suited for repairs where the original monitor has failed or when troubleshooting power related