Balboa BP100 4.0kW [15" x 2"] FloThru Spa Heater (G7411) airswitches and plumbing connections before installing

and plumbing connections before installing the replacement

A thermostat helps regulate operating temperature in a compatible heater system

and better long-term service confidence

0 kW Flo-Thru heater to restore dependable high-capacity heating performance

Balboa BP100 4.0kW [15" x 2"] FloThru Spa Heater (G7411) airswitches and plumbing connections before installingBalboa 15" BP100 FloThru Heater Assembly [4. 0kw] (G7411) is engineered with a clear focus on BP system integration, 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 those exact requirements. In real world usage,