The Grundfos Unilift CC7 - A1Unilift A1 w/o plug is a domestic drainage pump, max flow rate 2.5l/sec and max head 7.5m, 1 1/4" threaded connections and 10mm solids handling. The Grundfos Unilift CC range are ideal portable domestic sump and drainage pumps, ideal for use with washing machines, baths and dinks. They can be installed in areas prome to flooding, cellars, inlets from roof gutters, swimming pools, ponds or fountains.