backflow-prevention-device
Filter by:
Source
State or Territory
Back
backflow prevention device
Standards
a device to prevent the reverse flow of water from a potentially polluted source into a potable water supply system
Source - AS/NZS 3500.0:2003: Plumbing and drainage
HB50
device to prevent the reverse flow of water from a potentially polluted source into a potable water supply system
A backflow prevention device, or another reduced pressure zone device, may be registered or unregistered. In the case of the former, a register is kept on behalf of the authority having jurisdiction so they can be inspected and tested on a regular (annual) basis.