This standard fixes the connecting characteristics for wall hung WC pans with independent water supply whatever the materials used in their manufacture.
This document does not cover siphonic action WC pans.
NOTE. Only dimensions are compulsory. The outline of the appliance in the diagrams is for illustration only; it in no way prejudices the final shape of the appliance which is left to the initiative of the manufacturer.
BS 5504-2:1977 history
2011BS EN 33:2011 WC pans and WC suites. Connecting dimensions
1977BS 5504-2:1977 Wall hung WC pan - Wall hung WC pan with independent water supply - Connecting dimensions