Flow monitors With Inspection glass; Connections, Float Nickel plated brass; Body Aluminum Not wetted; For any mounting position; Medium temperature Max. 100°C; Water scale; 1. Contact NO contact; Connection 1/2"; Switching range 1,6…4 L/min; Maximum pressure 16bar; ; U max. 230V; I max. 3A 60VA; 2. Contact Changeover contact, Max. voltage 250V; I. max. 1,5A 50VA Length 114mm