Rio 2100 Sub. Pump 692 gph (12/case) (PMP-005) RIO PUMPS Rio high performance submersible pumps are very energy efficient and provide high flow rates with high pressure. They come in 3 different models. The Rio 600 has a 1/2" output and will move up to 200 gallons per hour. The Rio 2100 has 3?4" and 1" outputs and will move up to 692 gallons per hour. The Rio 2500 has 3?4" and 1" outputs and will move up to 748 gallons per hour. 6 month warranty. Manufacturer's Product Information 2007 MSRP Each $ 69.95 C.A.P. Custom automated products rio pump 2100, 692 gph pmp-005