BSI - BS 1125
Specification for WC flushing cisterns (including dual flush cisterns and flush pipes)
|Publication Date:||8 October 1973|
|ICS Code (Sanitary installations):||91.140.70|
Materials, workmanship, design, performance of flushing cisterns of four, five and nine litre capacity. Flush pipes for use with cisterns at high and low level.