Part number 229-8147 is a Waterway Poly Storm Gunite Roto jet internal.
It features a large 4-inch gray textured 5-scallop face and a thread-in installation style.
This jet is a standard high-performance component used as original equipment or compatible replacement parts by several major hot tub manufacturers:
Artesian Spas: Uses the Poly Storm threaded series for various therapeutic configurations.
Cal Spas: Frequently integrates Waterway Poly Storm series jets as standard equipment.
Saratoga Spas: Utilizes Waterway-manufactured jet bodies and internals.
Coast Spas: Known to use threaded Waterway jet bodies compatible with this 4-inch internal.
Sundance Spas: Often employs Poly Storm series jets as compatible replacement components.
Marquis Spas: Incorporates high-flow Waterway massage internals across multiple model lines.
Custom Concrete (Gunite) Spas: This is the industry-standard jet for custom in-ground concrete hot tubs where internals thread into permanent gunite wall bodies.
Technical Identification for 2026
Jet Type: Roto (rotating nozzle) providing a circular massage pattern.
Face Diameter: 4 inches (Large Face).
Installation: Thread-in style. Note that 2013+ models generally use threaded bodies, while 2000–2012 models often used a snap-in version that is not compatible with this specific part.
Replacement Note: If this specific gray roto model is unavailable, the modern generic directional replacement recommended by manufacturers for 2026 is part number 212-8059-STS .
