Part number 229-7957 is a medium gray version of the Waterway Mini Storm Twin Roto jet internal. It features a 3-inch textured 5-scallop face and a thread-in installation style with adjustable on/off control.
This jet is a standard high-performance component used as original equipment or a generic replacement by numerous major hot tub manufacturers, including:
Cal Spas: Frequently uses the Waterway Mini Storm series as standard or replacement equipment.
Sundance Spas: Often employs Waterway Storm series components as primary or compatible replacement parts.
Master Spas: Regularly incorporates these Waterway jet internals into their filtration and massage systems.
Coleman Spas: Integrates Waterway-manufactured thread-in jet assemblies in their legacy and current model lines.
Catalina Spas: Another brand that extensively utilizes these Mini Storm jet internals as interchangeable components.
LA Spas: Known to use standard Waterway jet internals, including the thread-in Mini Storm series.
Hot Spring Spas: Uses the Mini Storm series as interchangeable generic replacements.
Custom Concrete (Gunite) Spas: Because this is a "Gunite" style jet, it is a standard choice for custom-built in-ground concrete hot tubs where internals are threaded into permanent wall-mounted bodies.