{"product_id":"78913-thermostatic-water-valve-3-4-valve-cartridge-for-kohler-k400-k401","title":"78913 Thermostatic Water Valve, 3\/4’’ Valve Cartridge for Kohler K400\/K401","description":"\u003ch2\u003eThermostatic Water Valve Cartridge for Kohler K400\/K401\u003c\/h2\u003e\u003cp\u003eThe 78913 thermostatic water valve cartridge is a 3\/4 inch replacement valve for Kohler K400 and K401 shower systems, restoring precise temperature control and a steady flow.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis 78913 thermostatic water valve cartridge is a direct replacement for worn or leaking temperature control valves in Kohler K400 and K401 shower valve bodies. The 3\/4 inch cartridge regulates hot and cold mixing so water stays at your set temperature through pressure changes. It is built for plumbers, maintenance techs, and homeowners handling a straightforward repair on these valve bodies.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision thermostatic wax element regulates outlet temperature as inlet conditions shift\u003c\/li\u003e\n\u003cli\u003e3\/4 inch cartridge body matches the K400 and K401 valve bore for a drop-in fit\u003c\/li\u003e\n\u003cli\u003eDurable construction resists scale buildup and corrosion in daily shower use\u003c\/li\u003e\n\u003cli\u003eSeals and o-rings included to stop drips and cross-flow at the valve body\u003c\/li\u003e\n\u003cli\u003eRestores smooth handle rotation and accurate temperature selection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Kohler K400 thermostatic shower valve\u003c\/li\u003e\n\u003cli\u003efor Kohler K401 thermostatic shower valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing a failed cartridge during a shower valve repair\u003c\/li\u003e\n\u003cli\u003eServicing older K400 and K401 valve bodies in residential bathrooms\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance on rental and hotel shower systems\u003c\/li\u003e\n\u003cli\u003eRestoring temperature control after a stuck or leaking valve is found\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e78913\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermostatic water valve cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this cartridge fit both the K400 and K401 valve bodies? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the 78913 is listed as the replacement cartridge for both the Kohler K400 and K401 thermostatic shower valves. Confirm your existing valve model before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to shut off the water to replace the cartridge? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, shut off the water supply at the main or isolation valves before removing the old cartridge. Verify the new cartridge seats fully and the seals are seated before restoring pressure.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":50550366371926,"sku":"ZZ3L00091","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_6d28125b-1d35-443f-96ab-da5c7dda877e.jpg?v=1790775287","url":"https:\/\/www.solidspare.com\/products\/78913-thermostatic-water-valve-3-4-valve-cartridge-for-kohler-k400-k401","provider":"Solid Spare","version":"1.0","type":"link"}