Balboa BP Series 15" 4.0kW Flo-Thru Heater (26-58303-K) atlasminerals Supports proper fit and function

Supports proper fit and function during filter valve service

making this Waterway part especially practical where trim styling matters

Restores access to supported spa functions

The complete retrofit-kit format adds practical value by supporting a more thorough update instead of a narrower replacement

Includes box-style setup

Balboa BP Series 15" 4.0kW Flo-Thru Heater (26-58303-K) atlasminerals Supports proper fit and functionBalboa BP Series 15" 4. 0kW Flo Thru Heater (26 58303 K) is designed for compatible Balboa BP Series control systems and provides a 4. 0kW heating configuration in a 15" flow through format. BP applications can use closely related heater assemblies, so the original part number and installation details should be verified before selecting a replacement. Balboa BP Series systems combine modern control logic with application specific heater