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Certificate 89/2139 Studor Trading Ltd. Air admittance valves. Maxi and Mini

Publication Year

1989

Document Status

Withdrawn

Abstract

Used in above ground drainage systems to: (a) prevent release of foul air, and (b) admit air under conditions of reduced pressure in the discharge pipes and stack.

Publisher Information

British Board of Agrément

The British Board of Agrément have been providing authoritative and independent information on the performance of building products for over 40 years. The certificates they produce contain data on durability, installation and compliance with Building Regulations.

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