Grundfos SQE with CPS (Constant Pressure Set) is a multi-stage, submersible pump designed for domestic water supply, liquid transfer in tanks, irrigation and environmental applications. The pump has "floating" impellers, each with its own tungsten carbide/ceramic bearing. The pump features soft starting and protection against dry-running, up thrust, overvoltage, undervoltage, overload and overtemperature. Supplied with a CU301 control unit, expansion tank and pressure transducer. The motor is a single-phase motor of the permanent magnet rotor type ensuring optimum efficiency within a wide load range. The motor is fitted with a replaceable end cover with socket.