Balboa BP100 4.0kW [15" x 2"] Flo-Thru Heater (26-58426) poolcovers The TC440-MB fit gives this

The TC440-MB fit gives this assembly practical value because standpipe components work best when they match the original internal layout closely

Supports pump and equipment motor replacement applications

or missing original parts

Replacement 11-button topside for compatible Sundance spas

Useful during diverter valve repair or rebuild work

Balboa BP100 4.0kW [15" x 2"] Flo-Thru Heater (26-58426) poolcovers The TC440-MB fit gives thisBalboa 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