{"product_id":"toto-wt173ma-duofit-in-wall-tank-system-1-28-gpf-09-gpf","title":"TOTO WT173MA Duofit® In-Wall Tank System 1.28 GPF \u0026 .09 GPF","description":"\u003cp\u003eIn-Wall Tank System with Dual Flushing System and optional Auto Flush capability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual flushing system, low consumption (1.28 GPF\/4.8 LPF \u0026amp; 0.9 GPF\/3.4 LPF)\u003c\/li\u003e\n\u003cli\u003eAuto Flush function capability\u003c\/li\u003e\n\u003cli\u003eAdjustable 15\" - 19\" mounting height\u003c\/li\u003e\n\u003cli\u003eSupports up to 880 lbs\u003c\/li\u003e\n\u003cli\u003eCommercial 2\" x 6\" or optional residential installation with 2\" x 4\" wall studs with waste outlet kit\u003c\/li\u003e\n\u003cli\u003e1-pc blow molded, insulated polyethylene tank to prevent leaks and sweating\u003c\/li\u003e\n\u003cli\u003e2\" x 6\" Polyethylene outlet included\u003c\/li\u003e\n\u003cli\u003eCopper Supply Line\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.totousa.com\/filemanager_uploads\/product_assets\/SpecSheet\/SS-01629_WT173M(A).pdf\" target=\"_blank\"\u003eSpec Sheet - WT173M(A)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4 class=\"accordion-title\"\u003e\u003cbutton aria-controls=\"downloads-ccc-10115021101887804545\" aria-expanded=\"false\" type=\"button\"\u003eParts and Service Information\u003ci aria-hidden=\"true\"\u003e\u003c\/i\u003e\u003c\/button\u003e\u003c\/h4\u003e\n\u003cul class=\"accordion-content\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.totousa.com\/filemanager_uploads\/product_assets\/InstallationManual\/0GU190_WT173M_IM.pdf\" target=\"_blank\"\u003eInstallation \u0026amp; Owner's Manual - WT173MA\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.totousa.com\/filemanager_uploads\/product_assets\/PartsManual\/PD-01221_WT173M(A).pdf\" style=\"font-size: 0.875rem;\" target=\"_blank\"\u003eSpare Parts Manual - WT173M(A)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"accordion-content\" id=\"parts-ccc-10115021101887804545\"\u003e\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003csection class=\"faq-section\"\u003e\n  \u003ch2\u003eTOTO WT173MA Duofit® In-Wall Tank System (1.28 GPF \u0026amp; 0.9 GPF) – Frequently Asked Questions\u003c\/h2\u003e\n\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eWhat is the TOTO WT173MA Duofit® In-Wall Tank System?\u003c\/h3\u003e\n    \u003cp\u003e\n      The TOTO WT173MA Duofit® In-Wall Tank System is a concealed toilet tank designed to be installed inside the wall. It works with compatible wall-hung toilets, providing a clean, modern bathroom appearance while saving space.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eWhat does 1.28 GPF and 0.9 GPF mean?\u003c\/h3\u003e\n    \u003cp\u003e\n      The system offers dual-flush options: 1.28 gallons per flush (GPF) for standard waste and 0.9 GPF for liquid waste. This allows users to conserve water while maintaining strong flushing performance.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eWhat is a Duofit® in-wall tank system?\u003c\/h3\u003e\n    \u003cp\u003e\n      The Duofit® system is TOTO’s concealed in-wall tank technology designed for wall-hung toilets. It hides the tank inside the wall, creating a minimalist and space-saving bathroom design.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eWhat are the benefits of an in-wall toilet tank system?\u003c\/h3\u003e\n    \u003cp\u003e\n      In-wall tank systems like the TOTO WT173MA save bathroom space, improve aesthetics, reduce visible plumbing, and make cleaning the bathroom floor easier due to the floating toilet design.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eIs the TOTO WT173MA compatible with all toilets?\u003c\/h3\u003e\n    \u003cp\u003e\n      No, the WT173MA is designed specifically for use with compatible TOTO wall-hung toilet bowls. Proper pairing is required for correct installation and performance.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eIs the TOTO Duofit® system water efficient?\u003c\/h3\u003e\n    \u003cp\u003e\n      Yes, with dual-flush options of 1.28 GPF and 0.9 GPF, the system is highly water-efficient and helps reduce overall household water consumption.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eDoes the TOTO WT173MA require professional installation?\u003c\/h3\u003e\n    \u003cp\u003e\n      Yes, professional installation is strongly recommended because the system must be installed inside the wall structure and connected to both plumbing and structural supports.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eIs maintenance difficult for in-wall tank systems?\u003c\/h3\u003e\n    \u003cp\u003e\n      No, the TOTO WT173MA is designed with an access panel behind the flush plate, allowing maintenance and servicing without removing the wall.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eWhat type of bathrooms is this system best for?\u003c\/h3\u003e\n    \u003cp\u003e\n      The TOTO WT173MA is ideal for modern residential bathrooms, luxury homes, hotels, and commercial spaces that want a clean, space-saving, and contemporary look.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003ch3\u003eWhy choose the TOTO WT173MA Duofit® In-Wall Tank System?\u003c\/h3\u003e\n    \u003cp\u003e\n      The TOTO WT173MA combines dual-flush water efficiency, concealed installation, space-saving design, and compatibility with wall-hung toilets, making it an excellent choice for modern bathroom upgrades.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e","brand":"Toto","offers":[{"title":"No Color","offer_id":52981422588201,"sku":"WT173MA","price":1119.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/2778\/6281\/files\/WT173M.webp?v=1776098105","url":"https:\/\/www.gsdesigncenter.com\/products\/toto-wt173ma-duofit-in-wall-tank-system-1-28-gpf-09-gpf","provider":"GS Design Center LLC","version":"1.0","type":"link"}