The 229-7747 (often sold as 229-7747S for stainless steel) is a 5-inch Waterway Power Storm Threaded Massage Jet Internal.
It is a major OEM component manufactured by Waterway Plastics and is found in numerous high-end and mid-range hot tub brands.
Below is a "laundry list" of spa manufacturers and brands known to use this specific 5-inch Power Storm jet:
Leisure Bay Spas (frequently uses this specific massage internal)
Master Spas (widely used in multiple series, including their flagship hot tubs)
Cal Spas
Dynasty Spas
Strong Spas
Artesian Spas
Hydro Spa
Garden Leisure Spas
QCA Spas
Nordic Hot Tubs
Vita Spas
Great Lakes Spas
Four Winds Spas
Technical Details for Replacement (2025)
Manufacturer: Waterway Plastics.
Installation Type:Thread-In. Note that older versions of Power Storm jets were "Snap-In"; these are not interchangeable.
Face Diameter: 5 inches.
Face Style: Available as Textured Scalloped (gray) or Smooth (stainless steel/gray).
Internal Type:Massage (disperses water in a multi-point, pulsating, or focused pattern).
Cross-Reference Numbers: 55-270-4343, 229-7747G, 229-7747S, and 806105119919.
If you are replacing these in 2025, verify whether your existing jets are threaded or snap-in by attempting to unscrew one. The 229-7747 specifically requires a threaded jet body.
