Certificate 042/97 Hepworth HEPvO hygienic self sealing plastic waste valve (July 2008 reissue)

Publication Year

2008

Document Status

Withdrawn

Abstract

Assesses the product to confirm its suitability, within limitations, as a self-sealing valve designed to close the waste connection below a sanitary appliance to prevent the escape of foul sewer air back into the building. Intended for use with sanitary appliances in domestic, commercial and public buildings as an alternative to water seal traps and air admittance valves.

Document History

See also building certificates published by WIMLAS. 3rd issue.

Publisher Information