The clarke psv1a water pump is designed particularly for heavy duty applications this robust powerful water pump is ideal for rapidly shifting both clean and dirty water in fact it will move solid water borne objects up to 30mm in diameter therefore it39s ideal for draining pits sumps ditches and footings etc and it39s made from tough durable corrosion proof materials and has a really reliable amp low power consumption 230v motor for cost effective long term use it