Part number 474811WW is a 3-port Diverter Jet Internal featuring a 4-5/8 inch emerald-cut (textured scalloped) face in gray.
It is manufactured by Balboa Water Group (BWG) and was originally an American Products part before that brand was integrated into the Pentair line.
This jet is used by the following manufacturers in their hot tubs:
Thermo Spas: This part is specifically identified as a standard jet internal for many Thermo Spas models.
Keys Backyard Tubs: Known to use this specific diverter jet internal in their spa configurations.
Pentair Pool and Spa Systems: As the OEM brand, it is designed to fit a wide range of Pentair-branded pool and spa systems.
Key Specifications for Replacement:
Orifice Size: 1-inch.
Installation Type: Snap-in style.
Cross-Reference: This part is a direct replacement for discontinued or alternative part numbers 46721181, 611252, 9410-022, and 388790.
Color Note: The "WW" suffix typically denotes the white version in some catalogs, but for this specific part number (474811WW), it is most commonly found in light gray or dark gray.