WATERRO LEFOO high-pressure switch 8–32 bar. The WATERRO LEFOO high-pressure switch 8–32 bar is designed to monitor and control pressure in reverse osmosis and water treatment systems. It is suitable for systems that require pressure control within the range of 8 to 32 bar. Technical specifications: Product — WATERRO high-pressure switch; Brand — LEFOO; Pressure range — 8–32 bar; Application — reverse osmosis and water treatment systems. Main advantages: LEFOO high-pressure switch; 8–32 bar pressure range; designed for pressure monitoring and control; suitable for reverse osmosis systems; suitable for water treatment equipment.