{"product_id":"fluidmaster-400a-toilet-tank-repair-fill-valve-2-pack-universal-fit-9-14-in-adjustable","title":"Fluidmaster 400A Toilet Tank Repair Fill Valve – 2 Pack | Universal Fit \u0026 9–14 in Adjustable","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet the Fluidmaster 400A Toilet Tank Repair Fill Valve, offered as a convenient 2-pack. Marketed as the world’s #1 best-selling fill valve, this kit blends a universal design with reliable performance. Its anti-siphon design helps protect your fresh water supply, and the valve is built to tolerate daily bathroom use with corrosion-resistant materials. While it supports many standard toilets, some models—such as Glacier Bay, Niagara Flapperless, One Piece Toilets, and Side Entry Valves—aren’t compatible. This kit focuses on straightforward repairs and upgrades that many households find practical for renewal or maintenance in busy kitchens and baths. \u003c\/p\u003e\n\u003ch2\u003eAdjustability and compatibility\u003c\/h2\u003e\n\u003cp\u003eOne of the standout features is the EZ twist height adjustment, letting the valve fit tanks from 9 to 14 inches tall. That flexibility means you can tailor the setup to a wide range of toilet models without sourcing separate parts. The 400A is designed as a complete replacement kit, so you’ll have the essential components needed for most standard installations in a single purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEASY INSTALLATION:\u003c\/strong\u003e Quick and simple setup suitable for typical home repairs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eADJUSTABLE HEIGHT:\u003c\/strong\u003e 9 to 14 inches to accommodate many tank sizes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCOMPLETE REPLACEMENT KIT:\u003c\/strong\u003e Includes all required parts for a full valve assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDURABLE MATERIALS:\u003c\/strong\u003e High-quality plastic resists daily wear and corrosion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNIVERSAL FIT:\u003c\/strong\u003e Works with most toilets and single-port systems, meeting IAPMO specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use and benefits\u003c\/h3\u003e\n\u003cp\u003eIn real-life bathroom scenarios, a well-matched fill valve can support steady refills after flushing and reduce symptoms of running water. The 400A’s design aligns with everyday needs—homeowners trying to fix a slow or noisy refill, or someone upgrading an aging valve for better reliability. It’s a practical upgrade choice for DIY projects that aim to restore normal toilet function while keeping parts accessible and straightforward to replace.\u003c\/p\u003e\n\u003ch3\u003eImportant notes\u003c\/h3\u003e\n\u003cp\u003eIf your toilet model isn’t listed as compatible, or if you’re unsure about the tank height, you may want to verify compatibility before purchasing. Also remember that the kit does not replace Side Entry Valves. This Fluidmaster product carries a legacy of innovation dating back to its founder’s early fill valve work from 1958, emphasizing dependable design and ongoing innovation.\u003c\/p\u003e\n\u003ch2\u003eWhat you get and why it matters\u003c\/h2\u003e\n\u003cp\u003eThis 2-pack provides two complete fill valve assemblies, which can simplify replacement in multiple toilets or keep a spare valve on hand for future maintenance. The included hardware and seals are designed for a smooth, tool-light installation, helping you complete the job with minimal disruption to daily routines.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Fluidmaster 400A compatible with my toilet?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits most standard tanks with 9–14 in adjustable height; measure your tank to confirm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the Fluidmaster 400A 2-pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Two complete fill valve assemblies with installation hardware and seals for easy replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fluidmaster","offers":[{"title":"Default Title","offer_id":53093075550319,"sku":"B00G9OGNKC","price":38.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/fluidmaster-400a-fill-valve-assembly.jpg?v=1778764150","url":"https:\/\/taskholt.com\/products\/fluidmaster-400a-toilet-tank-repair-fill-valve-2-pack-universal-fit-9-14-in-adjustable","provider":"TaskHolt","version":"1.0","type":"link"}