Small but versatile, march pump Series 1 can deliver a minimum of 1.7 GPM up to 3.0 GPM. All march pump Series 1 units are capable of serving applications with a maximum head of 4.5 ft. at zero GPM. Applications include photographic processing equipment, refrigeration systems and water displays or fountains. Maximum recommended fluid temperatures are 190º F (87º C) for open air models, or 130º F (55º C) for submersible models. March pump Series 1 units are available in both open air and epoxy clad submersible models with a variety of options in both materials of construction and inlet and discharge ports.