Technical Specifications:

Operating Voltage: 5 VDC

Operating Current: less than 10 mA

Operating Temperature: -25℃ to 70℃ (non-freezing)

Make-up Water Flow Rate: greater than 5 L/min at 1 bar

Flow Frequency: F1 = 8.1Q - 3

                  F2 = 13Q - 6.5 (F is frequency in Hz, Q is flow rate in L/min)