Ideal for use in shallow well (less than 25 ft) and deep well (25 to 90 ft) applications. For heavy-duty applications. 115/230 V heavy-duty motor with voltage selector for simple connection to existing power source. Produces up to 71 psi with automatic shut-off. Cast iron pump housing. Includes factor pre-wire 30/50 pressure switch. Rated at 18 gpm.