United Spas 4.0kW FloThru Heater [15" x 2"] [230V] (HU114K) gridcontrols Supports a more complete trap

Supports a more complete trap assembly rebuild

airflow concerns

Designed for compatible angle grinder repair applications

and this Maytronics Dolphin Diagnostic version uses the 6101610 reference

That keeps upkeep more direct and more cost-effective

United Spas 4.0kW FloThru Heater [15" x 2"] [230V] (HU114K) gridcontrols Supports a more complete trapThe United Spas Heater [FloThru 15" 4. 0kW 230V] is a replacement spa heater designed for compatible United Spas equipment. It supports reliable water heating in spa systems where the original heater has failed, corroded, or is no longer maintaining proper temperature performance. Before installation, verify the voltage, kilowatt rating, plumbing size, flow style, and connection layout against the existing heater assembly. Matching these details helps