(1) Pumpmaster Pump Float Switch. SJE-Rhombus. P/N 1002737 20FT with/out Plug. 20PMUWOP. Mechanical float for starting and stopping a sumbersible or jet pump or sump pump. 20' of cord with out a plug on the end. 1 hose clamp and mounting piece. Mechanically activated pump switch for direct control of pumps in Sewage, Non-potable Water, & Potable Water.