Rugged cast iron construction. Superior performance at depths to water of 100 ft or less. 1/2 hp pumps up to7.9 gpm. 3/4 hp pumps up to 11.8 gpm. Heavy-duty dual-voltage motor, 1/2 hp preset at 115V, 3/4 hp preset at 230V. Prewired pressure switch preset for 30/50 psi operation. Self-priming after pump housing is initially filled. Built-in pressure regulator. CSA certified. Jet kit sold separately.