BS EN 997 discusses WC pans and suites with integral traps. BS EN 997 specifies constructional and performance characteristics together with test methods for close-coupled suites, one-piece and independent WC pans with integral traps. BS EN 997 standard covers flushing cisterns designed to be connected to drinking water installations inside buildings.
In the case of independent WC pans, the associated flushing cisterns and pressure valves are covered by other standards and the reference to cisterns in BS EN 997 is related only to the definition and requirements of flushing volume.
Note: BS EN 997 does not apply to squatting toilets, WC pans without integral trap or flushing cisterns as separate appliances.
Who is BS EN 997-WC pans and WC suites for?
BS EN 997 on WC pans and WC suites with an integral trap is useful for:
BS EN 997 provides constructional and performance characteristics together with test methods for close-coupled suites, one-piece and independent WC pans with integral traps used for personal hygiene manufactured from glazed ceramics or stainless steel.
In the case of close-coupled suites and one-piece WCs, BS EN 997 also specifies design, performance characteristics, and the test methods for designated flushing cisterns with flushing mechanisms, inlet valves, and overflows. For these products, BS EN 997 covers flushing cisterns designed to be connected to drinking water installations inside buildings.
BS EN 997:2018 supersedes BS EN 997:2012+A1:2015, which is withdrawn. BS EN 997:2018 includes some technical changes with respect to BS EN 997:2012+A1:2015. These include:
EN 997:2018