The Fernco Air Admittance Valves AAV are maintenance-free valves made of impact-resistant ABS for installation inside buildings. The product advantages at a glance: Free air inlet without strainers or grilles thanks to a permanently elastic diaphragm in accordance with DIN EN 12 380:2002 No unnecessary risky roof penetrations, e.g. on flat roofs or next to skylights No cold bridge: no dangerous condensation on the pipe No chimney effect in the event of fire: the spread of fire is delayed No unnecessary insect screens or other high-maintenance barriers Quick Enquiry Your Name (required) Category* —Please choose an option—BauunternehmenHandelIndustriePrivatpersonSonstige Country* Your Email (required) Product Your Message Opt in to receive offers, news, marketing etc. Privacy Policy Please leave this field empty. ×
