Water pump pressure switch factory set to 30-50 psi. Suitable for use on all types of pumps including jet, submersible and reciprocating. 2 Pole, NEMA Type 1 indoor enclosure, 1/4 in NPSF internal pressure connection, diaphragm actuated, UL/CSA listed, RoHS compliant, NSF61-Annex G certified, includes a maintained manual cut-out lever allowing the pump to run on auto or to be turned off. Individually boxed.