Compare Quick view WATERWAY PLASTICS 775-5004 Waterway Plastics | Heater Assy, Waterway 4.0KW (With Sensors) MSRP: Was: Now: $223.85 Heater Style - Flow-Thru Wattage - 4.0kW, Voltage - 230V Heater Type - Flow-Thru, Wattage - 4.0kW, Voltage - 230V