HydroQuip 26-C73-050-0G03 2.25" x 13" Versi-Heat Heater Assembly 5.5KW - Hydro Quip has been providing the hot tub, spa and jetted bath industries with premium equipment systems since 1981. They have established an unmatched global reputation for superior quality, reliability and customer service. They design, manufacture, and private label custom equipment for OEMs.