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

Helps restore intended ultraviolet output

more predictable service cycle

Proper alignment within the pump ensures efficient movement without imbalance

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