Gould's high volume, low-head, 2 HP pump features: Totally enclosed, fan-cooled motors - can be used outdoors without further protection. All motors can be wired 115, 208 or 230 volts. Discharge of pump can be rotated 90 degrees to accommodate plumbing. Stainless steel shaft and wear plate for long life. Not self-priming - use a check valve on suction line for self-priming applications. 3" inlet, outlet size.