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{"id":9519665086615,"title":"THU224 Toilet Flush Valve Assembly with Mounting Nut Fit for TOTO Two Piece Aquia Toilet Tank #ST412M","handle":"thu224-toilet-flush-valve-assembly-with-mounting-nut-fit-for-toto-two-piece-aquia-toilet-tank-st412m","description":"\u003ch3\u003eTHU224 Toilet Flush Valve Assembly with Mounting Nut Fit for TOTO Two Piece Aquia Toilet Tank #ST412M\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eTOILTOBLE THU224 Toilet Flush Valve\/Toilet Replacement Parts This THU224\r\ntoilet flush valve assembly is designed as a direct replacement for TOTO Aquia\r\ntwo-piece toilets, ensuring seamless compatibility with models including Aquia\r\nIII, Aquia II, and both old\/new-style Aquia toilets. It precisely fits tanks\r\nST412M, ST413M, ST416M, and ST464M (models CST414M, CST416M, CST464MF,\r\netc.).THU224 Dual Flush Valve Assembly Features:Dual Flush Efficiency: Offers\r\nfull flush (1.6 GPF) and half flush (0.9 GPF) Material: Constructed with high-\r\ngrade ABS plastic and reinforced silicone rubber, extend valve lifespanSize:\r\nTotal height 12 3\/8″Easy To Install: For THU224 systems, replace the upper\r\nvalve without tank removal. For THU435 or other models, replace the button\r\nafter tank disassemblyCompatibility: May work with non-TOTO toilets if tank\r\nheight and flush valve measurements match. Always verify dimensions before\r\npurchase to avoid installation issuesNOTE:Incorrect sizing can lead to poor\r\nflushing or leaks. We prioritize compatibility accuracy to ensure customer\r\nsatisfaction. Measure your tank and compare specifications carefully!\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eToilet Valve Compatibility: Fit for TOTO Replacement Parts for Two Piece Toto Aquia New\/Old Style\/Aquia III\/Aquia II Toilet. Two Piece Model #CST414M - Tank #ST413M\/ST416M\/ST464M toilet models\u003c\/li\u003e\r\n \u003cli\u003eDual Flush Valve Size: This toilet valve is only suitable for split-type toilet, not suitable for one piece toilet,and the water tank height should be greater than 11.81inch. Total dual max flushing system height :12 3\/8\u003c\/li\u003e\r\n \u003cli\u003eThu224 Flush Valve Material: This toilet dual flush valve is made of high-quality ABS material and equipped with premium silicone rubber gaskets, reinforced for durability. Designed with full or half flush options, it saves water, restores flushing performance, and extends the service life of the flush valve\u003c\/li\u003e\r\n \u003cli\u003eEasy Installation: Our flush valve replacement matches the original THU224. For THU224, no need to remove the tankjust replace the upper part. For other models (e.g., THU435), remove the tank and replace the button\u003c\/li\u003e\r\n \u003cli\u003eThis flush valve may work with non-Toto Aquia toilets, but measure tank height \u0026amp; drain opening before purchase to ensure compatibility. Incorrect sizing may cause installation issues or poor flushing. We prioritize customer satisfaction through accurate compatibility\u003c\/li\u003e\r\n \u003c\/ul\u003e","published_at":"2026-03-31T01:28:39+11:00","created_at":"2026-03-31T01:28:34+11:00","vendor":"TOILTOBLE","type":"Toilet Flush Valves","tags":["home_improvement_Apr2026"],"price":20200,"price_min":20200,"price_max":20200,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":47570256560279,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B0F8NMV5Y8","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"THU224 Toilet Flush Valve Assembly with Mounting Nut Fit for TOTO Two Piece Aquia Toilet Tank #ST412M","public_title":null,"options":["Default Title"],"price":20200,"weight":358,"compare_at_price":null,"inventory_management":"shopify","barcode":"thu224flushvalvefbm","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/newnestshop.com\/cdn\/shop\/files\/B0F8NMV5Y8.jpg?v=1775822967","\/\/newnestshop.com\/cdn\/shop\/files\/714CLfwTmSL.jpg?v=1774880918","\/\/newnestshop.com\/cdn\/shop\/files\/715qSLxLf1L.jpg?v=1774880918","\/\/newnestshop.com\/cdn\/shop\/files\/718ZhOhKEIL.jpg?v=1774880918","\/\/newnestshop.com\/cdn\/shop\/files\/71MVCtpUDIL.jpg?v=1774880918","\/\/newnestshop.com\/cdn\/shop\/files\/71XkY5xP4LL.jpg?v=1774880918","\/\/newnestshop.com\/cdn\/shop\/files\/71rLN5En-qL.jpg?v=1774880918","\/\/newnestshop.com\/cdn\/shop\/files\/71k2hCzz8BL.jpg?v=1774880918"],"featured_image":"\/\/newnestshop.com\/cdn\/shop\/files\/B0F8NMV5Y8.jpg?v=1775822967","options":["Title"],"media":[{"alt":null,"id":41281774485655,"position":1,"preview_image":{"aspect_ratio":0.55,"height":2560,"width":1408,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0F8NMV5Y8.jpg?v=1775822967"},"aspect_ratio":0.55,"height":2560,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0F8NMV5Y8.jpg?v=1775822967","width":1408},{"alt":null,"id":41281774518423,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/714CLfwTmSL.jpg?v=1774880918"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/714CLfwTmSL.jpg?v=1774880918","width":1800},{"alt":null,"id":41281774551191,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/715qSLxLf1L.jpg?v=1774880918"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/715qSLxLf1L.jpg?v=1774880918","width":1800},{"alt":null,"id":41281774583959,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/718ZhOhKEIL.jpg?v=1774880918"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/718ZhOhKEIL.jpg?v=1774880918","width":1800},{"alt":null,"id":41281774616727,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71MVCtpUDIL.jpg?v=1774880918"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71MVCtpUDIL.jpg?v=1774880918","width":1800},{"alt":null,"id":41281774649495,"position":6,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71XkY5xP4LL.jpg?v=1774880918"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71XkY5xP4LL.jpg?v=1774880918","width":1800},{"alt":null,"id":41281774682263,"position":7,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71rLN5En-qL.jpg?v=1774880918"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71rLN5En-qL.jpg?v=1774880918","width":1800},{"alt":null,"id":41281774715031,"position":8,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71k2hCzz8BL.jpg?v=1774880918"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71k2hCzz8BL.jpg?v=1774880918","width":1800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eTHU224 Toilet Flush Valve Assembly with Mounting Nut Fit for TOTO Two Piece Aquia Toilet Tank #ST412M\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eTOILTOBLE THU224 Toilet Flush Valve\/Toilet Replacement Parts This THU224\r\ntoilet flush valve assembly is designed as a direct replacement for TOTO Aquia\r\ntwo-piece toilets, ensuring seamless compatibility with models including Aquia\r\nIII, Aquia II, and both old\/new-style Aquia toilets. It precisely fits tanks\r\nST412M, ST413M, ST416M, and ST464M (models CST414M, CST416M, CST464MF,\r\netc.).THU224 Dual Flush Valve Assembly Features:Dual Flush Efficiency: Offers\r\nfull flush (1.6 GPF) and half flush (0.9 GPF) Material: Constructed with high-\r\ngrade ABS plastic and reinforced silicone rubber, extend valve lifespanSize:\r\nTotal height 12 3\/8″Easy To Install: For THU224 systems, replace the upper\r\nvalve without tank removal. For THU435 or other models, replace the button\r\nafter tank disassemblyCompatibility: May work with non-TOTO toilets if tank\r\nheight and flush valve measurements match. Always verify dimensions before\r\npurchase to avoid installation issuesNOTE:Incorrect sizing can lead to poor\r\nflushing or leaks. We prioritize compatibility accuracy to ensure customer\r\nsatisfaction. Measure your tank and compare specifications carefully!\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eToilet Valve Compatibility: Fit for TOTO Replacement Parts for Two Piece Toto Aquia New\/Old Style\/Aquia III\/Aquia II Toilet. Two Piece Model #CST414M - Tank #ST413M\/ST416M\/ST464M toilet models\u003c\/li\u003e\r\n \u003cli\u003eDual Flush Valve Size: This toilet valve is only suitable for split-type toilet, not suitable for one piece toilet,and the water tank height should be greater than 11.81inch. Total dual max flushing system height :12 3\/8\u003c\/li\u003e\r\n \u003cli\u003eThu224 Flush Valve Material: This toilet dual flush valve is made of high-quality ABS material and equipped with premium silicone rubber gaskets, reinforced for durability. Designed with full or half flush options, it saves water, restores flushing performance, and extends the service life of the flush valve\u003c\/li\u003e\r\n \u003cli\u003eEasy Installation: Our flush valve replacement matches the original THU224. For THU224, no need to remove the tankjust replace the upper part. For other models (e.g., THU435), remove the tank and replace the button\u003c\/li\u003e\r\n \u003cli\u003eThis flush valve may work with non-Toto Aquia toilets, but measure tank height \u0026amp; drain opening before purchase to ensure compatibility. Incorrect sizing may cause installation issues or poor flushing. We prioritize customer satisfaction through accurate compatibility\u003c\/li\u003e\r\n \u003c\/ul\u003e"}

THU224 Toilet Flush Valve Assembly with Mounting Nut Fit for TOTO Two Piece Aquia Toilet Tank #ST412M

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THU224 Toilet Flush Valve Assembly with Mounting Nut Fit for TOTO Two Piece Aquia Toilet Tank #ST412M

TOILTOBLE THU224 Toilet Flush Valve/Toilet Replacement Parts This THU224 toilet flush valve assembly is designed as a direct replacement for TOTO Aquia two-piece toilets, ensuring seamless compatibility with models including Aquia III, Aquia II, and both old/new-style Aquia toilets. It precisely fits tanks ST412M, ST413M, ST416M, and ST464M (models CST414M, CST416M, CST464MF, etc.).THU224 Dual Flush Valve Assembly Features:Dual Flush Efficiency: Offers full flush (1.6 GPF) and half flush (0.9 GPF) Material: Constructed with high- grade ABS plastic and reinforced silicone rubber, extend valve lifespanSize: Total height 12 3/8″Easy To Install: For THU224 systems, replace the upper valve without tank removal. For THU435 or other models, replace the button after tank disassemblyCompatibility: May work with non-TOTO toilets if tank height and flush valve measurements match. Always verify dimensions before purchase to avoid installation issuesNOTE:Incorrect sizing can lead to poor flushing or leaks. We prioritize compatibility accuracy to ensure customer satisfaction. Measure your tank and compare specifications carefully!

Product Features

  • Toilet Valve Compatibility: Fit for TOTO Replacement Parts for Two Piece Toto Aquia New/Old Style/Aquia III/Aquia II Toilet. Two Piece Model #CST414M - Tank #ST413M/ST416M/ST464M toilet models
  • Dual Flush Valve Size: This toilet valve is only suitable for split-type toilet, not suitable for one piece toilet,and the water tank height should be greater than 11.81inch. Total dual max flushing system height :12 3/8
  • Thu224 Flush Valve Material: This toilet dual flush valve is made of high-quality ABS material and equipped with premium silicone rubber gaskets, reinforced for durability. Designed with full or half flush options, it saves water, restores flushing performance, and extends the service life of the flush valve
  • Easy Installation: Our flush valve replacement matches the original THU224. For THU224, no need to remove the tankjust replace the upper part. For other models (e.g., THU435), remove the tank and replace the button
  • This flush valve may work with non-Toto Aquia toilets, but measure tank height & drain opening before purchase to ensure compatibility. Incorrect sizing may cause installation issues or poor flushing. We prioritize customer satisfaction through accurate compatibility

Buy with confidence as this product comes with 18 months full local warranty in Australia & New Zealand (unless otherwise stated in the overview).

This product also comes with the benefits of the CocoonPower Warranty. For further details please read our Warranty Guidelines.

You can also purchase 3 Year Extended Care. If you are interested please see our Extended Care Information.