{"product_id":"duplo-one-cistern-tank-underwindow-ag","title":"Roca Bathrooms Duplo One Underwindow Cistern Tank, Concealed WC Flush Tank, Toilet Cistern Reservoir, Replacement Spares","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Roca Bathrooms DUPLO ONE CISTERN TANK UNDERWINDOW (AG) is a concealed WC cistern tank designed for under-window installations where height is limited. Ideal for replacement or new installs, it helps deliver reliable flushing performance while keeping your bathroom looking clean and modern.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnder-window design\u003c\/strong\u003e – suitable for low-height installations to maximise space and fit where standard cisterns will not.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcealed cistern tank\u003c\/strong\u003e – keeps pipework and the flush reservoir hidden for a neater, minimalist bathroom finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine matched part\u003c\/strong\u003e – designed for compatibility within the Duplo One system, helping reduce fitting issues during replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable flush water storage\u003c\/strong\u003e – provides consistent performance for everyday toilet use in busy household bathrooms.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eUse Case \/ Application\u003c\/h2\u003e\u003cp\u003eDesigned for use in domestic and commercial bathrooms where a concealed cistern is required, particularly in under-window WC layouts. Suitable for installation behind a wall, in boxing, or within a furniture\/false-wall arrangement as part of a modern concealed toilet setup. Commonly used in:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDownstairs cloakrooms and compact en-suites\u003c\/li\u003e\n\u003cli\u003eMain family bathrooms with limited wall height\u003c\/li\u003e\n\u003cli\u003eCommercial washrooms using concealed WC systems\u003c\/li\u003e\n\u003cli\u003eReplacement projects where an existing Duplo One cistern tank needs renewing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProblem → Solution\u003c\/h2\u003e\u003cp\u003ePerfect for under-window bathrooms where a standard-height concealed cistern will not fit, providing a space-saving solution without compromising on everyday flushing reliability.\u003c\/p\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e – Roca Bathrooms\u003cbr\u003e\u003cstrong\u003eManufacturer Part Number (MPN)\u003c\/strong\u003e – A8900722A0\u003cbr\u003e\u003cstrong\u003eEAN \/ Barcode\u003c\/strong\u003e – 8445662060825\u003cbr\u003e\u003cstrong\u003eManufacturer Range \/ Series\u003c\/strong\u003e – Duplo One\u003cbr\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e – Concealed cistern tank (underwindow)\u003c\/p\u003e\u003ch2\u003eWhy Buy from BHL\u003c\/h2\u003e\u003cp\u003eRoca Bathrooms is a trusted name in modern bathroom solutions, known for quality engineering and dependable performance. Choose this Duplo One underwindow cistern tank for a like-for-like replacement and a tidy concealed finish. Buy online from BHL for competitive pricing, free* and fast UK delivery, and genuine parts delivered with care from UK warehouses. BHL is a specialist online merchant trusted by thousands of satisfied customers since 1998, with thousands of 5 star reviews. *see our terms\u003c\/p\u003e","brand":"BHL","offers":[{"title":"Default Title","offer_id":59497697313093,"sku":"W-D41012","price":156.18,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/bhl.co.uk\/products\/duplo-one-cistern-tank-underwindow-ag","provider":"BHL","version":"1.0","type":"link"}