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AU Regulations 1

Australian / New Zealand Standard AS/NZS 4936:2002

AS/NZS 4936:2002, which covers “Air admittance valves (AAVs) for use in sanitary plumbing and drainage systems”, was published in September 2002. It is based on the European Standard EN 12380, but adapted to extend its scope to include AAVs which are integral with the fixture trap (combined traps and AAVs). AS/NZS 4936:2002 provides performance requirements for AAVs suitable for use in plumbing systems designed in accordance with AS/NZS 3500.2.1 and AS/NZS 3500.2.2..

Whereas EN 12380 includes a classification system for AAVs based on their performance, all valves complying with AS/NZS 4936:2002 are suitable for installation below the flood level of the appliance or fixture and are suitable for operation in the temperature range 0°C to 60°C.

The Studor combined traps and AAVs conform to the basic requirements of AS/NZS 4936:2002, but the Studor AAVs exceed the requirements, being AI classified in accordance with EN 12380, meaning that they have been tested and proven to perform down to -20°C.

Australian Technical Standard ATS 5200.463-2005

ATS 5200.463-2005 Technical Specification for plumbing and drainage products sets out requirements and test methods for devices to attenuate positive pressure transients in plumbing stacks, intended for operation within the temperature range of 0°C to 40°C.

The Studor P.A.P.A. (Positive Air Pressure Attenuator) complies with ATS 5200.463-2005.

The Watermark

In Australia and New Zealand, where a standard exists, a Watermark approval is required in order for products to be legally installed – there is not the same element of trust on the manufacturers as there is with the European standards and the CE mark. The Watermark approval provides independent verification that the products do indeed fully conform and comply with the requirements detailed in the performance standards. Since 25 February 2013, administration of the Watermark scheme has been the responsibility of the Australian Building Codes Board (ABCB). Visit their website to find out more about the Watermark.

Independent Validation

To comply with the strict Watermark requirements, Studor has sought independent validation for all their products covered by the above standards. These products are regularly tested by independent testing institutes and Studor’s manufacturing facilities are annually inspected by an independent body. These surveillance documents are reviewed by IAPMO, one of the accreditation bodies for the Watermark.