Polaris Zodiac PB4SQ Back Plate Kit (R0723200) pentairamerican Supplying the hard adapter without

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

Waterco HydroStar trap and pump body

A full DE grid helps create the primary filtration surface inside a compatible diatomaceous earth filter system

seasonal service

Polaris Zodiac PB4SQ Back Plate Kit (R0723200) pentairamerican Supplying the hard adapter withoutThe 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