Bay Hire NSW Stocks Tsurumi Puddle Pumps, Puddle Suckers, low boys, dry bottoms, these are all industry names for submersible pumps which can pump down to extremely low water levels. These pumps will draw down to only 1mm water depth making them ideal for complete drainage of flat surfaces, basements, car parks and pits. Flow rate up to 170 Litres Per Minute with a maximum submersion of 5M.