Thomas Dudley Niagara Mechanical Flushing Valve & Spares The WRAS approved Dudley Niagara is a mechanical dual flush WC valve that provides Water-saving 6/4 litre full and reduced flushing. Uses Wherever push button operated flushing is required in low level cisterns, the Niagara provides an efficient and reliable solution. The valve has been specifically designed for use in cisterns that have an internal height measuring between 330mm and 408mm. Furthermore, the compact Niagara has a maximum width of 85mm, making it ideal for use in modern, portrait style cisterns. Special Features Complimenting most plastic and ceramic cisterns, the Niagarafs stylish push button adds the perfect finishing touch to any bathroom. Mounted in the cistern lid, the button contains separate, easily recognisable segments for full and reduced flushing. A chrome plated finish is supplied a standard whilst gold-effect is also available as an optional extra. A bayonet fitting enables the valve to be quickly and easily removed from the cistern for maintenance. A simple turn of the hand removes the valve body from the cistern, leaving the cradle in position. Servicing can then be carried out with the minimum of disruption. A long-life silicon rubber seal is included along with a 51mm (2") outlet. An optional 38mm (11.2") outlet adaptor can also be supplied. Technical Information WRAS approved Internal overflow warning pipe 51mm (2") diameter outlet. Optional 38mm (11.2") adaptor