【Wide Compatibility】Compatible with Kenmore, GE, Whirlpool, Morton, NorthStar, EcoWater, Ecodyne, Sears, Waterworks, and other water softener brands. Works with a variety of water softener models, please verify your model before purchase 【Restores Valve Operation】The 7305150 water softener rotor position switch mounts beside the cam and gear to detect valve position. When your softener shows Error 1 or Error 3, or the valve motor runs continuously with a humming sound, replacing this rotor switch restores proper valve operation and prevents cycle interruptions 【Replacement Part Numbers】Replaces 7030713, 7030705, 9001800, and WS21X10003. Serves as a reliable spare part for routine water softener maintenance, helping your system run quietly and efficiently over time 【Durable Construction】Made with a sturdy plastic housing and metal contact components that resist moisture, corrosion, and wear inside water softeners, providing long-lasting, stable performance for the rotor position switch and motor control 【Easy Installation】Before starting, wear work gloves and unplug the water softener. Release the front and rear latches and lift the top cover. Remove the valve motor screws, lift the motor off the rotor, and remove the plastic cover. Detach the old rotor position switch, disconnect the wires, connect them to the new switch, mount it on the locating pin, replace the plastic cover, reinstall the motor and screws, close the top cover, and plug in the power to complete installation The MUGLFPT 7305150 water softener rotor position switch is compatible with Kenmore, GE, Whirlpool, Morton, NorthStar, EcoWater, Ecodyne, Sears, Waterworks, and other water softener models. It replaces 7030713, 7030705, 9001800, and WS21X10003, serving as a reliable spare part for routine water softener maintenance. This rotor switch mounts beside the cam and gear to detect valve position. If your water softener shows Error 1 or Error 3, or the valve motor runs continuously with a humming sound, replacing the 7305150 switch restores proper valve operation and prevents cycle interruptions.