Balboa 5.5kW [15" x 2"] Dual Sensor Flow Thru Heater (26-0071-DS-7S-K) pentairrainbow or needs a small rebuild

or needs a small rebuild part

For compatible 3

and this Poolvergnuegen version uses the 896584000-501 reference

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Balboa 5.5kW [15" x 2"] Dual Sensor Flow Thru Heater (26-0071-DS-7S-K) pentairrainbow or needs a small rebuildBalboa 15" 5. 5kW Dual Sensor Flow Thru Heater (26 0071 DS 7S K) is a replacement heater assembly built for spa systems that use a dual sensor flow through configuration. Its 5. 5kW output and 15" form factor are important fitment details, since heaters that appear similar externally can differ in electrical requirements, sensor arrangement, and plumbing alignment. Balboas dual sensor approach allows the control system to monitor conditions associated