UltraPure Replacement Bulb [UPPHO] (3901850) astral Proper alignment within the pump

Proper alignment within the pump ensures efficient movement without imbalance

making it especially useful in applications where multiple modular paths need to be managed more cleanly

Pool Tool part 121-R for accurate replacement ordering

OEM Pentair/Sta-Rite drain body gasket

UltraPure Replacement Bulb [UPPHO] (3901850) astral Proper alignment within the pumpUltraPure Replacement Bulb [UPPHO] (3901850) is a replacement bulb for compatible UltraPure UPPHO ozone system applications. Replacing the bulb at the proper service interval helps support consistent water quality equipment performance and keeps the ozone system working as intended. This UltraPure part is ideal for maintenance repairs where the existing bulb is expired, weak, or no longer operating correctly. Match the system model and part number