4 KW Watkins, Hot Springs Double Barrel Heater

Compatible replacement heater for some Hot Springs spas from 1995 to current and also used in many Tiger River Spas. This heater has 2 sensors that plug directly onto the circuit board and should only be used to replace the Hot Springs heater part number 73791, 76228 and C3160-2S. - Compatible replacement for Hot SPRINGS 4KW PDR Heater - Sensors not included - 240 Volts - This model does not have a built in pressure switch - Watkins Hot Springs Heater 73791 and 76228