{"product_id":"toiltoble-thu224-dual-flush-valve-assembly-for-toto-aquia-two-piece-tanks-st412m","title":"TOILTOBLE THU224 Dual Flush Valve Assembly for TOTO Aquia Two-Piece Tanks ST412M","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe TOILTOBLE THU224 toilet flush valve assembly is designed as a direct replacement for TOTO Aquia two-piece toilets, delivering a dependable, dual-flush option for models including Aquia II and Aquia III. It’s compatible with tanks ST412M, ST413M, ST416M, and ST464M, providing a practical upgrade path for your existing toilet setup without guesswork.\u003c\/p\u003e\n\u003cp\u003eCrafted to support efficient water use without sacrificing flushing performance, this valve combines resilient materials with a precise fit. The assembly works with the original upper valve design, and, for THU224 installations, you can replace the upper component without removing the tank. This convenience can make routine maintenance smoother and faster.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Flush Efficiency:\u003c\/strong\u003e Full flush at 1.6 GPF and a reduced half flush at 0.9 GPF to help conserve water while maintaining reliability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Materials:\u003c\/strong\u003e Built from high-grade ABS plastic with reinforced silicone rubber gaskets for lasting performance and a tighter seal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Fit for Aquia Tanks:\u003c\/strong\u003e Specifically designed to fit two-piece Aquia models, including ST412M, ST413M, ST416M, and ST464M (CST414M, CST416M, CST464MF, etc.).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear Size and Height:\u003c\/strong\u003e Total height of 12 3\/8 inches ensures a predictable footprint within compatible tanks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Ease:\u003c\/strong\u003e Replace the upper valve on THU224 systems without tank removal; for THU435 and similar models, the button may require tank disassembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat to Expect in Real Life\u003c\/h3\u003e\n\u003cp\u003eHomeowners upgrading a tired flush valve often notice a quicker restore of flushing reliability and a more confident, quieter operation during everyday use. The dual-flush option supports water-saving goals without complicating the user experience. The design focuses on a clean seal and minimal maintenance over time, helping you extend valve life with proper sizing and installation.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility Notes\u003c\/h3\u003e\n\u003cp\u003eWhile this valve is designed for TOTO Aquia two-piece toilets, it may work with non-TOTO toilets if the tank height and drain opening align with the specifications. Always measure your tank and verify dimensions before purchase to avoid installation issues. Incorrect sizing can lead to flushing problems or leaks, so compatibility accuracy is a priority.\u003c\/p\u003e\n\n\u003ch3\u003eWhat You’ll Need to Check\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTank height and opening dimensions match the THU224 specifications.\u003c\/li\u003e\n  \u003cli\u003eCompatibility with model variants CST414M, CST416M, CST464MF or related ST-series tanks.\u003c\/li\u003e\n  \u003cli\u003eWhether you’re replacing just the upper valve (THU224) or require disassembly for other models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBy focusing on real-world fit and durable materials, this valve aims to provide a reliable replacement option for Aquia owners who want a practical, non-invasive upgrade path. Always refer to the product notes and measure carefully to ensure the best outcome for your toilet.\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: Which tanks are compatible with the THU224 valve assembly?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Direct replacement for TOTO Aquia two-piece tanks ST412M\/ST413M\/ST416M\/ST464M; verify tank height and drain opening before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can THU224 work on non-TOTO toilets?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It may fit if tank height and drain openings match; measure precisely and review compatibility notes before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TOILTOBLE","offers":[{"title":"Default Title","offer_id":47468014502062,"sku":"B0F8NMV5Y8","price":91.6,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/6012\/9710\/files\/toiltoble-thu224-valve-assembly-tank-st412m.jpg?v=1770389137","url":"https:\/\/handyskook.ca\/products\/toiltoble-thu224-dual-flush-valve-assembly-for-toto-aquia-two-piece-tanks-st412m","provider":"HandySkook","version":"1.0","type":"link"}