Sta-Rite JP Series 4" Submersible Pumps. Precision-engineered, corrosionresistant Signature 2000® Composite Pumps in 10, 15, 20 and 30 GPM deliver efficient, dependable performance even in rough, aggressive water. Heads to over 650 feet and capacities to 45 GPM. Built to deliver long-term, trouble-free service. These pumps feature the proven SignaSeal ™ staging system. Floating impeller design resists sand and reduces sand locking. Residential, industrial, commercial, multiple housing and farm use.