The Candela Flow Sensor is a part of the water cooling system for the Candela Gentle Pro series of laser hair removal machines, which includes the GentleYag Pro, GentleLase Pro, GentleMax Pro, and GentleMax Pro Plus. The flow sensor is designed to measure water circulation and ensure that the Iwaki pump is working correctly. It provides information to the machine’s screen and checks if water circulation is proper.The Candela Flow Sensor is manufactured is compatible with Candela Gpro water systems. The flow sensor checks if water circulation is proper and if the Iwaki pump works well. If there is a problem with water circulation, the flow sensor checks and gives a fault code, and stops the machine to protect other parts and the system.