Balboa BP100 15" 4.0kW Flo-Thru Heater (26-58426) vacalert and button layout must match

and button layout must match the system features available on the control pack

This approach saves time and maintains the integrity of the existing system

replacing it with the correct Pentair part can improve the appearance of the skimmer area while helping maintain easy service access

Confirm cover size

Balboa BP100 15" 4.0kW Flo-Thru Heater (26-58426) vacalert and button layout must matchBalboa BP100 15" 4. 0kW Flo Thru Heater (26 58426) is designed for compatible BP100 spa control applications using a compact 15" flow through heater configuration. Its 4. 0kW output should be matched to the original system specification so the replacement works correctly with the spas circulation, electrical, and control components. BP100 systems are compact control platforms, so the heater assembly is an integrated part of the overall equipment