WATERRO electromagnetic valve 1/2″ – 220V AC – NC – Brass The WATERRO electromagnetic valve 1/2″ is designed for automatic water flow control in water filtration, reverse osmosis and water supply systems. The brass body provides high mechanical strength and a long service life. The Normally Closed (NC) design ensures that the valve remains closed when de-energised and opens when connected to a 220V AC power supply. Technical specifications Parameter | Value Model | WATERRO Solenoid Valve Type | Normally Closed (NC) Connection | 1/2″ female thread Body material | Brass Coil voltage | 220V AC Operating medium | Water Operation | Electromagnetic Application | Water filtration and water supply systems Key advantages 1/2″ connection Normally Closed (NC) operation Durable brass body 220V AC power supply Automatic water flow control Long service life Easy installation Suitable for water filtration and water treatment systems