Water Softener Rotor Position Switch

Helpful DIY instructions: Installation guide with video.Rotor position switch 7145186 is an original equipment manufacturer (OEM) part that fits some Kenmore, Whirlpool and Waterworks water softeners.Rotor position switch 7145186 fits on the side of the cam and gear and detects the position of the rotor valve.Fits Kenmore water softener models 625348600, 625348670, 625388400, 625388450, 625388460, 62538846003, 625388480, 62538848003, 625388800 and 625388880.Also fits Whirlpool water softener model WHES40 and Waterworks model WS2000.