The 3KW Balboa Heater sticker will say- 3KW Balboa Heater - 240v 15" 2x2" - ref. 50145 or 50146 or 58053. The 2KW Balboa Heater sticker will say- 2KW Balboa Heater - 240v 15"2x2" - ref. Spaform (specifically SF100 systems), Hydrospa, Aegean, Catalina, Hydropool,, Marquis Spa, M3 TUV, Lite leader box, Canadian Spa.
