Glory Air Admittance Valve Regulations
Below is an image showing a typical loft setup.
Air admittance valve regulations. The BPF Pipes Group document provides a detailed guide to the current regulations on soil stacks and air admittance valves as well as operation ventilation capacity. Fitting within a taller. Air admittance valves positioned inside the roof space provide a more aesthetically attractive alternative to open stacks whilst providing the same level of ventilation.
Stack-type air admittance valves shall be located not less than 6 inches 152 mm above the flood level rim of the highest fixture being vented. Air Admittance Valves to BS EN 12380. The Durgo valve is designed to reduce the number of ventilating pipes and subsequent roof penetrations in domestic commercial and public buildings.
An air admittance valve uses a clever system that is activated by negative pressure. The FloPlast Air Admittance Valves are designed to allow the free entry of air into the sanitary pipework system without the escape of foul gasses into the building. It is based on the European Standard EN 12380 but adapted to extend its scope to include AAVs which are.
The use of air admittance valves are governed by building regulations Part H and they cannot be used in all situation these regulations should be checked before specifying the use of an air admittance valve - generally speaking within a normal two storey house with an existing vent pipe there will be no problem. Air admittance valves AAVs for use in sanitary plumbing and drainage systems. Factors relating to compliance with Building Regulations where applicable factors relating to additional non-regulatory information where applicable.
Air admittance valves when installed must finish above the highest flood level of the space the valve is in. As negative pressure occurs the valve opens to allow air into the pipe. Australia and New Zealand Regulations Australian New Zealand Standard ASNZS 49362002.
When installed into sanitary pipework systems conforming to BS EN 120562000 the FloPlast Air Admittance Valve not only prevents the loss of water from trap seals due to induced siphonage but also has the added advantage of. Regulations applications operation and assembly. AAVs must comply with the product standard ASNZS 4936.