The 229-8037 (or 229-8037S for stainless steel) is a 3-3/8" Waterway Poly Storm Massage Thread-In Jet Internal.
It features a 5-scallop textured face and provides a pulsating massage through a 5/16" nozzle.
Because Waterway Poly Storm jets are highly interchangeable, this specific internal is used by a vast array of spa manufacturers that utilize Waterway jet housings.
Spa Manufacturers and Brands Using the 229-8037 Jet
Master Spas (frequently used as a primary or replacement component)
Cal Spas
Sundance Spas
Hot Springs
LA Spas
Catalina Spas
Coleman Spas
Strong Spas (often uses Poly Storm series for mid-sized therapy jets)
Nordic Hot Tubs
Viking Spas
QCA Spas
Technical Specifications for Replacement (2025)
Manufacturer: Waterway Plastics.
Face Diameter: 3-3/8 inches.
Connection Type:Thread-In Style. (Note: This is not interchangeable with older "Snap-In" style diffusers).
Style: Massage internal with a 5-scallop textured face.
Flow Rate: Approximately 10 GPM at 10 PSI.
Cross-Reference Numbers: 229-8037B, 229-8037S (stainless), 55-270-4253, and 806105565129.
