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2 Wire Reverse Polarity

The 2 wire reverse polarity motorized ball valves are easy to use, and quick to setup. They use no energy once fully opened or closed, which can be important in systems with limited power (sailboats, for example). One of the most popular ways this ball valve is employed is using a Double Pole Double Throw Switch (DPDT). This allows to open or close the valve at the simple flick of a switch.