Therm Products 5.5kW spa heater assembly part# C2550-0165, used in many Cal Spas. Stainless steel flow thru heater tube measures 2" x 16-1/4" long, includes an element rated at 5.5kW @ 240 volts & 1.375kW @ 120 volts. Also included is a pressure switch tap, external thermo-well and (2) 2" split nuts.
PVC tail pieces and o-ring gaskets
are sold seperately. Heater will replace Aquatemp part# 48-3300-10-065H & Thermcore part# C2550-0065 in addition to many others.