The Hi-lo Combination Valve (desire 531-S) is a piston-type water level control valve that maximizes the advantages of existing combination valves (desire 421) and stainless steel combination valves (desire 531) and provides efficient internal flow through Designed with excellent flow characteristics.
All materials are made of stainless steel, so it can be used not only for general water control, but also for drinking water and purified water (pure water – demineralized water).