Motorized Ball Valve- 3/4" Brass Electrical Ball Valve with Manual Function, Standard Port, 9-24V AC/DC and 3 Wire Setup by U.S. Solid

The Position Indicator on the top of actuator can help you see the on / off state of the valve. In addition, the valve comes with manual function, it can be adjusted manually if the valve is locked. Or when the power is cut off, the valve can be opened manually if necessary.

How to wire this valve?
In direct current (DC) situations, the red wire is connected to the positive terminal, and the blue wire is connected to the negative terminal. The valve opens when the yellow wire is simultaneously connected to the positive terminal with the red wire, and the valve closes when the yellow wire is disconnected and the red wire is connected to the positive terminal alone. This means that the red and blue wires are always connected to the positive and negative poles, respectively, and the valve is controlled by parallel or disconnection of the third yellow wire with the red wire.
In alternating current (AC) situations, polarity is not a concern. Simply connect the red and blue wires to any two poles of the power source. When the yellow wire is connected in parallel with the red wire to one pole, the valve opens. Conversely, when the yellow wire is disconnected and only the red wire is connected to the pole, the valve closes.
In this wiring mode, the valve is neither normally open nor normally closed. When the power supply is off, the valve remains in its original state without moving.

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.