Siemens WSN843-FDBBF3A | S55561-F286

WSN843-FDBBF3A - Ultrasonic heat/cooling energy meter 3.5 m3/h, mounting length 260 mm, connecting thread 1 1/4", sensor M10 x 1 mm, 38 mm, m-bus communication, 2 pulse inputs, 11 year battery