Balboa 4.0 kW [15" x 2"] Spa Heater w/Sensor [1.25 PSI] [Pressure Switch] [Jacuzzi R574/R578] (53349) (G7418) drains Purpose-built design focused on plumbing

Purpose-built design focused on plumbing fit precision

Application-specific design for dependable performance

Consistent circulation is essential for maintaining clean and properly heated water

especially in visible installations where users interact with the control regularly

Replacement manifolds help restore proper upper flow distribution in larger compatible filter systems

Balboa 4.0 kW [15" x 2"] Spa Heater w/Sensor [1.25 PSI] [Pressure Switch] [Jacuzzi R574/R578] (53349) (G7418) drains Purpose-built design focused on plumbingBalboa 15" 4. 0 kW Spa Heater W Sensor [1. 25 PSI] [Pres Swtch] Jacuzzi R574 R578 (53349) (G7418) is engineered with a clear focus on Jacuzzi specific compatibility, making it a targeted solution rather than a generic replacement component. In spa systems, heaters are not interchangeable without consequencematching output, flow characteristics, and system communication is essential to achieving consistent performance. This model is built to align with