... ) DC VOLTAGE(V) FLOW RATE(M3/H) HEAD(M)4PS-B-C-24-120-1.5/20 120 24 1.5 ... of one set solar pump , one group solar panel, controller.b). The system can be used in the pump of the ... min diameter 4 inch, also can get water from lake, river etc.c ... , without any professional knowledge and equipment, automatically operated without watching. 4 inch Solar submersible pump