Technical parameters:

Working voltage: 5VDC

Working current: less than 10mA

Operating temperature: -25℃～70℃ (not frozen)

Make-up water flow: manual 1bar, more than 5L/min automatic 1bar, more than 2.5L/min

Flow frequency: F1=8.1Q-3

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