Balboa 5.5kW Plastic Sundance Spas LowFlow Heater [230v] (58336) outdoor A fitting like this is

A fitting like this is useful because it helps form the proper plumbing pass-through at the wall while preserving a clean

Praher TM-12-S multiport valve

A straight adapter like this is useful where the line needs to change size without also changing direction

electrical connectivity

The Waterway 229-8011 Poly Storm Gunite jet internal is designed for compatible threaded gunite jet assemblies and features a 3-3/8 inch face diameter with roto action

Balboa 5.5kW Plastic Sundance Spas LowFlow Heater [230v] (58336) outdoor A fitting like this isHigh efficiency spa heater designed for low flow applications, delivering consistent heating performance while maintaining system safety and energy efficiency. This Balboa Water Group component is engineered for dependable performance in demanding pool and spa environments. Known as an industry leader, Balboa products are widely used by OEM manufacturers and service professionals due to their precision engineering, reliability, and long service life.