Grundfos Variable Speed Horizontal Multistage Pressure Pump is a compact, reliable, horizontal, multistage, end-suction centrifugal pump with axial suction port and radial discharge port. Pump materials in contact with the liquid are in stainless steel. The mechanical shaft seal is a special designed, unbalanced O-Ring seal. Pipework connection is via internal Whitworth pipe threads, Rp (ISO7/1). The pump is fitted with a single phase, permanent-magnet, foot-mounted, fan-cooled asynchronous motor. The motor includes a frequency converter and PI controller in the motor terminal box. This enables continuously variable control of the motor speed enabling adaptation of the performance to a given requirement. Communication with the pump is possible by means of the Grundfos GO Remote (accessory). The remote control enables further settings as well as reading out of a number of parameters such as "Actual value", "Speed", "Power input" and total "Power consumption".