ProPlumber Plastic/Steel Pressure Switch 30-50 PSI NIB PPS3050
ProPlumber Plastic/Steel Pressure Switch 30-50 PSI NIB PPS3050. Dual voltage 115/230 volts. Air pressure in tank must be 28 psi. For automatic operation of jet and submersible well pumps when used in conjunction with a diaphragm pressure tank or galvanized holding tank.