5.5KW - suits Balboa non m7 spa packs only - these packs have a pressure switch threaded into the heater tube, a hi-limit sensor under the cover on the heater tube and a temperature sensor through the spa shell

382mm long tube.

Includes 5.5kw element, pressure switch and nuts. Stainless steel tube with incoloy element

Replaces 50071, 50076, 50134, 50150

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