Pentair Shaft Seal | U109-372SS C7451 When the switch is confirmed

When the switch is confirmed defective

The Pentair Assembly

providing the structural clamp and sealing gasket required to secure the light face ring within the niche and maintain the fixture's watertight integrity

5" x 3" sizes for easy use in conjunction with the jandy valve actuator for automatic operation

Pentair Shaft Seal | U109-372SS C7451 When the switch is confirmedThe Pentair Shaft Seal (U109 372SS) is the OEM replacement shaft seal for Pentair pool and spa pumps, used during motor replacement and routine pump service. The shaft seal creates the critical barrier between the pump's wet end and the motor, preventing water from contacting the motor bearings. When replacing a pump motor, the shaft seal must always be replaced at the same time reusing a worn seal on a new motor is a leading cause of premature motor