Plumbers' technical note – Reticulation cut-ins and backflow prevention
All documents issued prior to 1 July 2017 were issued by the former Department of Commerce. Documents listed here are the latest versions available. For more information on this document, please contact email@example.com.
This technical note responds to issues raised by licensed plumbers regarding the installation of reticulation/irrigation cut-ins and backflow prevention, 40 mm traps (using products with built-in air admittance valves), vacuum sewer and boundary trap installations and venting.
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