March Pump's 815-SS Beer Pump is an American manufactured seal-less centrifugal magnetic drive pump ideal for beer brewing. It is capable of generating a maximum flow of 7 gallons per minute at 4.5 feet, and its maximum head is 18.6 Feet (or around 8PSI). The standard wet end (the materials that come into contact with the solution) is composed of Stainless Steel, Teflon, Silicone and Ryton/Teflon/Glass. The inlet connection is 0.5 inch male pipe thread, and the outlet is 0.5 inch male pipe thread. The standard motor is a 1 Phase 115V or 230V 0.04 Horsepower fan cooled motor, which can be run on either 50 or 60 hertz (there are performance differences between the hertz options). The 815-SS Beer Pump motor has a six foot cord, a plug, and a base. The maximum internal pressure the pump can tolerate is 150PSI, and the maximum liquid temperature is 250 Fahrenheit or 121 Celsius