... -100mA Output Torque: Q-1.5NM, -2NM Products Chracteristic 1, smart shape, perform reliably, brass gear, PPO parts, large output torque ... limit and machinery limit design, accurate position, avoid gear and switch. 3, Multi-assembling, easy to install. 4, Float ball structure ... machins, water heaters, industrial eletric warm valve1/2" brass full port for heating system