Liberty Pump 237 is 1/3HP Automatic Submersible Sump Pump with with magnetically operated vertical float VMF switch and 10ft power cord. It can operate in a smaller 10" diameter sump pit. This Energy Saving Liberty Pump features deep finned powder coated aluminum motor housing that provides 225 more cooling capacity than cast iron housings. Efficient motor design reduces electrical usage by up to 40.The Liberty Pump 237 has 1-1/2" NPT discharge, 3/8" solids-handling, 21' max. lift. and thermally protected permanently lubricated motor..