Balboa 53349 Heater Assembly with Sensor & Pressure Switch; 4 kW 

The Balboa Water Group 53349 Heater Assembly is a 4 kW heater designed for spa systems, including Jacuzzi R574/576 models. It includes a pressure switch and a temperature sensor for reliable operation. The heater is 15 inches long with a 2-inch inlet and outlet and operates at 230V