Polaris Zodiac PB4SQ Back Plate Kit (R0723200) pentairamerican The multiple application references give

The multiple application references give this cartridge practical value because matching the right replacement depends on recognized cartridge identifiers tied to the original filter family

Supports dependable plumbing control and accurate service work

Supplying the hard adapter without the O-ring also makes it a good choice when the seal is being handled separately

attachment

Polaris Zodiac PB4SQ Back Plate Kit (R0723200) pentairamerican The multiple application references giveThe Polaris Zodiac Back Plate Kit [PB4SQ] (R0723200) is a replacement back plate kit for compatible Polaris Zodiac PB4SQ booster pump applications. The back plate is part of the pump assembly and helps support proper sealing, alignment, and water movement within the wet end. Use this kit when the original back plate is damaged, worn, leaking, or being replaced as part of a booster pump rebuild. Installing the correct replacement part helps restore