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7129871

Kenmore Waterworks Water Softener Bypass Valve 7129871 4.50 x 1.44 x 8.19 Genuine OEM Replacement Fits Kenmore Whirlpool Waterworks

by Kenmore · Valve

Plumbing & Heating

Condition: New
$117.93 at Sears PartsDirect · as of 18 Oct 2026
See current price at Sears PartsDirect

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Description

This is a Genuine OEM Kenmore part. Basic InformationPart Name: Bypass ValveManufacturer: EcodyneCategory: Water SoftenerPrimary Function: Redirects water flow to bypass the softener or filter system while maintaining household water supplyInstallation & CompatibilityCompatible Models: Fits select Kenmore, Whirlpool, GE, and Waterworks water softeners and water filters. Confirm compatibility with your model before ordering. Kenmore: 625340050, 625340090, 625348321, 625348350, 625348420, 625348440, 625348450, 625348470, 625348471, 625348490, 625348491, 625348540, 625348550, 625348570, 625348571, 625348590, 625348591, 625348730, 625348731, 625348732, 625348830, 625348831, 625348832, 625388100, 625388110, 625388150, 625388160, 625388170, 625388180, 625388200, 625388250, 625388260, 625388270, 625388280, 625348260, 625348261Whirlpool: WHES20, WHES30GE: GNSF18Z01, GNSF23Z01, GNSF35Z01, GNSF35Z02, GNSF35Z03, GXSF18G01, GXSF23Z01, GXSF27B00, GXSF27B01, GXSF27E01, GXSF30H01, GXSF31E01, GXSF35E01, GXSF39B00, GXSF39B01, GXSF39E01, GXSF39E04, GXSF40H01, GXSS17Z01, GXSS20B00, GXSS20H01, PNSF31Z01, PNSF35B00, PNSF39Z01Waterworks: WS1000Installation Difficulty: Medium; requires disconnecting the inlet and outlet lines from the softener or filterTools Required: Adjustable wrench, pliers, towel, work gloves Additional Information: This water softener bypass valve (part number 7129871) allows you to stop the flow of water into the water softener or water filter while maintaining water service to your homes faucets. The valve is an original equipment manufacturer (OEM) part that fits some water softeners in these series: Kenmore 625, Whirlpool WHES, GE GNSF, GXFS, GXSS, PNSF, and Waterworks WS1000. It also fits Kenmore water filter models 625348260 and 625348261.Replacing a worn or leaking bypass valve ensures proper control of water flow during maintenance or service, preventing leaks and water interruptions. Shut off the water supply and relieve pressure in the system before beginning the repair. Wear work gloves to protect your hands.7129871 replaces part numbers 34371, WS15X10012, 3437, 3437299, and 42-3437. Also fits these brands: Kenmore, Whirlpool, Waterworks | Kenmore Waterworks Water Softener Bypass Valve 7129871 4.50 x 1.44 x 8.19 Genuine OEM Replacement Fits Kenmore Whirlpool Waterworks

Fits, as listed by Sears PartsDirect

Listed by part number, not by machine model: confirm the number against your appliance's or machine's parts list before ordering.

Also fits these brands: Kenmore, Whirlpool, Waterworks

Replacement fits: Kenmore Whirlpool Waterworks

Specifications

4.50 x 1.44 x 8.19