Oberdorfer Pumps BVacuum Switch, Part No. 7046 Ports 1/4″ I.P.S. Type ELectric

Made of all bronze construction with a rubber impeller for general marine use. 1-HP motor rated at 1750 RPM, 115-Volt or 230-Volt AC. Pumps 20 GPM with a 15 to 20 ft. lift (when impeller is wet). Inlet and discharge are internally threaded for 1″ IPS or slip fit 1-1/2″ ID hose externally. A vacuum switch is included for automatic cut-off when pump runs dry. Maximum PSI is 43 lbs. Pump weighs 39 lbs. Not Ignition-Protected.

When the bilge is dry or the vacuum on the suction line drops to certain level, the pump is automatically shut off. Vacuum switch prevents dry operation, thus saving impeller and parts life. May be fitted to suction side of any electric pump. Must be manually starte