Pentair Seal Plate Black | Challenger High Flow & High Pressure Pump | 355004Z Heaters & Heat Pump Parts Because this kit includes O-rings

Because this kit includes O-rings that seat against the heat exchanger tubesheet

instructions

Sealed transformer with on/off switch is weathertight for peace of mind

Keep a supply of pre-measured scoops on hand at the equipment pad so DE is recharged accurately every time

this cartridge helps inhibit the growth of bacteria

Pentair Seal Plate Black | Challenger High Flow & High Pressure Pump | 355004Z Heaters & Heat Pump Parts Because this kit includes O-ringsThe Pentair Seal Plate (355004Z) is the OEM replacement seal plate for the Challenger High Flow and Challenger High Pressure pump series. This is the black version, supplied as a single unit. The seal plate forms the critical interface between the pump's wet end and the motor, housing the shaft seal assembly and maintaining the pressure boundary that keeps water separated from the motor's electrical components. A damaged or worn seal plate can