Durgo Air Admittance Valve for drainage systems inside buildings for equalising negative pressures and protecting the water traps in the system. Reliable construction in ABS plastic with an EPDM rubber seal.
Tested and CE-marked according to En 12380, type A1.
Certificate according to Watermark Licence Level 2, 47.0 l/s (3727FU-Group, 233FU-Stack)