Pentair Pump Base (U4-5) bluewhite or related salt system plumbing

or related salt system plumbing and flow components

Replacing it can help restore the skimmer’s intended function and improve the overall appearance of the skimmer opening

Heater adapter components must match the equipment model and installation requirements closely

intended to support proper temperature sensing and heater response

Replacement part number: SPX0740B

Pentair Pump Base (U4-5) bluewhite or related salt system plumbingThis Pentair pump base provides a stable mounting foundation for compatible pump assemblies. A secure base helps support the motor and wet end, keeps the pump aligned on the pad, and reduces the chance of vibration related movement during operation. Use this replacement when the original base is cracked, missing, warped, or damaged during pump removal. Restoring the base can improve installation stability and protect surrounding plumbing connections