What is new about the AAV?
In the past, open vent piping was the only answer to maintaining pressure control and trap seals – the pipes extended through the roof of the building to admit air. The range offers an alternative to installing an expensive piping system for plumbing ventilation by making it possible to utilize air within the building. Top Q3. How new is this technology? Is it proven effective? The Studor AAV has been installed in millions of installations worldwide since the 1970s. The valves are tested to AI within European Standard EN12380:2002 – the highest rating for AAVs. Top Q4. Do valves fit all applications? Yes! The Mini-Vent is designed to ventilate fixture branches and single fixtures. The Maxi-Vent provides ventilation for stacks. Top Q5. Are the valves durable? Yes! AAVs comply with American and European Standards -, they have been tested to 1.5 million cycles, the equivalent of 80 years of average service without failure. In addition, each valve is individually tested, as opposed to “bat
