{"product_id":"geberit-replacement-flat-gasket-for-flush-valve-seal","title":"Geberit Flat Gasket for Flush Valve | Silicone Seal | 816.418.00.1","description":"\u003cp\u003eKeep your Geberit cistern leak-free with this \u003cstrong\u003egenuine Geberit flat gasket\u003c\/strong\u003e (part no. \u003cstrong\u003e816.418.00.1\u003c\/strong\u003e). Made from high-grade silicone rubber, it creates a reliable watertight seal between the flush valve and cistern body — ideal for maintenance, repair, or preventative replacement across a wide range of Geberit concealed and exposed cistern systems.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Geberit spare part — exact fit and trusted quality\u003c\/li\u003e\n\u003cli\u003eHigh-grade silicone rubber — flexible, durable, and leak-resistant\u003c\/li\u003e\n\u003cli\u003eRestores flush valve sealing — prevents leaks and water loss\u003c\/li\u003e\n\u003cli\u003eSuitable for exposed, close-coupled \u0026amp; concealed cisterns\u003c\/li\u003e\n\u003cli\u003eIdeal for repairs, maintenance, and preventative replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specification\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Geberit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 816.418.00.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Silicone rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 63mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 32mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Size:\u003c\/strong\u003e G 1¼″\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 3mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Germany\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSigma Cisterns 12cmD\u003c\/li\u003e\n\u003cli\u003eOmega Cisterns 12cmD\u003c\/li\u003e\n\u003cli\u003eDelta Cisterns 12cmD\u003c\/li\u003e\n\u003cli\u003eLow-Height Cistern Flush Valves\u003c\/li\u003e\n\u003cli\u003eKappa Cistern Flush Valves\u003c\/li\u003e\n\u003cli\u003eMonolith Sanitary Modules\u003c\/li\u003e\n\u003cli\u003eType 290 Flush Valves\u003c\/li\u003e\n\u003cli\u003eType 280 Flush Valves\u003c\/li\u003e\n\u003cli\u003eType 240 Flush Valves\u003c\/li\u003e\n\u003cli\u003eType 230 Flush Valves\u003c\/li\u003e\n\u003cli\u003eGeberit Close Coupled Cisterns (Selnova, Smyle \u0026amp; iCon ranges)\u003c\/li\u003e\n\u003cli\u003eAP140 Cistern Flush Valves\u003c\/li\u003e\n\u003cli\u003eAP112 Cistern Flush Valves\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does this gasket do?\u003c\/strong\u003e\u003cbr\u003eIt creates a watertight seal between the flush valve and the cistern body. Over time, silicone gaskets can harden or degrade, causing leaks — replacing this part restores reliable flushing and stops water loss.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I know if this is the right part?\u003c\/strong\u003e\u003cbr\u003eCheck your Geberit flush valve or cistern documentation for part number 816.418.00.1, or refer to the compatibility list above. If you're unsure, contact us at \u003ca href=\"mailto:customerservice@bubblegumbathrooms.co.uk\"\u003ecustomerservice@bubblegumbathrooms.co.uk\u003c\/a\u003e or call 01603 381095.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I order if the item shows as out of stock?\u003c\/strong\u003e\u003cbr\u003eYes — you can still place an order and we will fulfil it as soon as stock is available. Contact us for a lead time estimate.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this a genuine Geberit part?\u003c\/strong\u003e\u003cbr\u003eYes — this is a genuine Geberit spare part, ensuring exact fit and compatibility with the systems listed above.\u003c\/p\u003e\n\n\u003ch2\u003eDelivery Information\u003c\/h2\u003e\n\u003cp\u003eThis is a small, postable item covered by a one-off small item delivery charge. You can combine it with other small items in a single order and pay just one delivery charge. \u003ca href=\"\/collections\/small-items\" target=\"_blank\"\u003eBrowse all items covered by the small delivery charge\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eRelated Geberit Spare Parts \u0026amp; Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/geberit-type-380-fill-valve-diaphragm-seal-genuine-service-part-ref-240-771-00-1\" target=\"_blank\"\u003eGeberit Type 380 Fill Valve Diaphragm Seal — 240.771.00.1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/geberit-type-380ag-side-supply-fill-valve-universal-fit-sigma-omega-delta-monolith-cisterns\" target=\"_blank\"\u003eGeberit Type 380AG Side Supply Fill Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/geberit-type-208-flush-valve-for-sigma-8cmd-concealed-cisterns-241-290-00-1\" target=\"_blank\"\u003eGeberit Type 208 Flush Valve for Sigma 8cmD Concealed Cisterns\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/geberit-kappa15-dual-flush-valve-for-up200-concealed-cistern-240-638-00-1-genuine-geberit-part\" target=\"_blank\"\u003eGeberit Kappa15 Dual Flush Valve for UP200 Concealed Cistern\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/geberit-bathroom-products-cisterns-wall-hung-wc-packs-furniture-more\" target=\"_blank\"\u003eBrowse All Geberit Products\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Geberit","offers":[{"title":"Default Title","offer_id":54439745454417,"sku":"816.418.00.1","price":2.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/3687\/9441\/files\/30701_1_640x640_4513f57a-907e-4690-984c-c7e749825df4.jpg?v=1785393854","url":"https:\/\/bubblegumbathrooms.com\/products\/geberit-replacement-flat-gasket-for-flush-valve-seal","provider":"Bubblegum Bathrooms","version":"1.0","type":"link"}