The 4HP Ultimax hot tub pump wet end by Balboa fits the Ultimax and Ultrajet series pumps with 2" intake and 2" discharge (Measures 3" outside across the threads). This wet end has 2 different mounting threads that allow it to fit the through bolt spacing of the 48 frame motors and the 56 frame motors.
Part Details:
- Balboa Ultimax 4HP wet end
- Complete wet end including impeller and shaft seal
- 2" intake (measures 3" across the outside of the threads)
- 2" discharge (measures 3" across the outside of the threads)
- Made by Balboa Water Group
- Will not fit any pumps or electric motors made/used by Powe-rite
The old generation of Ultimax pumps were made by Ultrajet up to about 2011. Balboa Water Group is now the manufacturer of these pumps and the replacement parts, most of these pump wet ends and parts now made by Balboa are backwards compatible and should fit the older standard Ultrajet generation of the Ultimax series pumps.