... -1.5NM, -2NM Products Chracteristic 1, smart shape, perform reliably, brass gear, PPO parts, large output torque, long product life. 2 ... , High protection class, can be worked in moistconditions. IP65 Suitable for 1, IC card meters, heat energy meters, air-warm valve ... heaters, washing machins, water heaters, industrial eletric warm valve1/2" brass full port for heating system