UltraPure Replacement Bulb [UPPHO] (3901850) astral Two-speed spa pumps are often

Two-speed spa pumps are often practical where the system needs both stronger active operation and a lower-speed mode

An impeller in this class is useful because it is one of the main hydraulic parts responsible for the pump’s ability to move water efficiently at the supported output range

OEM Pentair/Sta-Rite drain body gasket

Helps restore intended ultraviolet output

Pool Tool part 121-R for accurate replacement ordering

UltraPure Replacement Bulb [UPPHO] (3901850) astral Two-speed spa pumps are oftenUltraPure 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