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
