The Jobe Valves Rojo High-Flow Low-Pressure Valve is a float-operated valve for automatic filling of water storage vessels. The float valve can be mounted above or below water level. It is a simple mechanically operated valve. The Rojo valve is a good choice where its low flow is sufficient and its compact non-corrosive construction is beneficial. Rojo valves are low flow (up to 6 GPM) and are made with a compact, robust construction for longevity and durability.