【PACKAGE】: 2 PCS 7030713 Water Softener Rotor Position Switch 【REPLACE MODELS】: Rotor Position Switch WS21X10003 replaces for 7030705,90018001,9001801,9001800,AP2077372. 【FIT BRANDS】: 7030713 switch is compatible with the brand: GE, Kenmore, Whirlpool, Waterworks 【FUNCTION】: Rotor position switch 7030713 is located on the side of the cam & gear, and detects the position of the rotor valve. 7030713 Switch is compatible with models including; 625348242,6253483500,625348240,625348241,625348400,GXSF31E01,625348401,625348402,625342942,PNSF35B00,6253488000,6253488001,625388260,6253488002,GXSHC40N00,6253488003,625349222,625393060,625349221,625348251,625349220,625348252,625349225,WS1000,GXSF23Z01,625349224,625347200,625348410,625349223,625348811,GXSF30H01,625348812,GXSF30H02,GXSF30H03,625348810,625342702,WHES20,625341500,625388150,GXSF18G03,GXSF39E01,GXSF18G02,GXMH31H00,GXSF18G01,625388270