DC Solar Water Pump 1. GS, ROHS.CE.ISO9001:2000 ... ,over-flow, overload, waterless , automatic recovery ,controlling water height as demand.2.Easy installation, maintenance-free, safe ... shaft core, coupling water entry base and pump body (or copper alloy water entry base and pump body), blower inlet ... head and must be immersed in water. Parameter:. NEWSKY Centrifugal (Plastic) DC Solar Water Pump