High Power Flow Switch SPCO flow switches capable of switching 16A at 240Vac (resistive load). Designed for use within water but can be used with alkalis, alcohol, fuels and lubricating oils. This flow switch should be mounted in line with the flow. Pressure rating 10 bar Flow rate range: 3 to 6 l/min. (set at 4.5) Suitable for use with water, alkalis, alcohols, most fuels and mineral based lubricating oils Operating temperature: 70°C maximum Wetted materials approval in accordance with UK Water Fittings and Bylaws scheme (WFBS) listed Note Not designed for frequent flow rate readjustment. Not for use with diluted or concentrated acids. Supplied with compression fittings and 1m of three-core PVC cable fitted.