Allows the free entry of air into the sanitary pipework system without any foul smells escaping into the building. Avoids the need to penetrate outer roof shell.
We now stock the new External Air Admittance Valve - AX110 This latest innovation from FloPlast has been awarded the prestigious BSI Kitemark (KM 512474). It is A1 RATED IN ACCORDANCE WITH BS EN 12380.
The External Air Admittance Valve compliments the existing range of internal Air Admittance Valves. The external version eliminates the need for the installer to work and handle pipes above the roof line, therfore making it easier to comply with work at height (WAHR) and Manual Handling Regulations.