Small but versatile, the March Series 1 submersible pump can deliver a minimum of 1.7 GPM (7 LPM) up to 3.0 GPM (9 LPM). All Series 1 units are capable of serving applications with a maximum head of 4.5 ft. (1.3 m) at zero GPM (0 LPM). Applications include photographic processing equipment, refrigeration systems and water displays or fountains. Maximum recommended fluid temperatures are 190º F for open air models, or 130º F for a submersible pump model. Series 1 submersible pump units are available in both open air and epoxy clad models with a variety of options in both materials of construction and inlet and discharge ports.