Certificate 97/3421 Tri-Arc Designs Consultants Ltd. Tri-Arc air admittance valves
Publication Year
1997
Document Status
Withdrawn
Abstract
Relates to Tri-Arc air admittance valves for the above ground drainage systems as described in the accompanying detail sheets. The valves are for use within buildings in above ground drainage systems in accordance with this Certificate. The valves provide a means of ventilation to the drainage system to prevent the loss of water seals in traps and consequent release of foul air into the building.
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.
Bucknalls Lane
Watford
BBA
UK
Website: http://www.bbacerts.co.uk
Email: clientservices@bbacerts.co.uk
Tel: +44 (0) 1923 665300
