Rpz Backflow Preventer Diagram

A reduced pressure zone device rpzd rpz or rpz valve is a type of backflow prevention device used to protect water supplies from contamination. This backflow protection device is commonly known as an rpz valve assembly.

Backflow Prevention Program City Of Toronto

Backflow preventers the risks to drinking water quality from backflow contamination incidents pose a constant threatwhether theyre nuisance non health hazards or serious public health events.

Rpz backflow preventer diagram. Installation maintenance repair series 009 and lf009. Plumbing codes mandate that potable water supplies be protected against backflow at all cross connections. A type aa air gap should be provided between the relief outlet port and the top of.

Notice for australia and new zealand line strainers should be. Guidelines for designing backflow prevention assembly installations. Lead free transition with the changeover to lead free in the united states that became effective january 4 2014 lead free backflow prevention devices are required in certain applications andor settings.

Our city recently informed us that all sprinkler systems where we live would now be required to have backflow prevention. The main thing to take away from this is that both backflow prevention device types perform the same function when they are operating properly but only the rpz is designed to protect the public water supply by disposing of any backwards flowing water if any of the check valves or the relief valve fails. Rpzds may also be known as reduced pressure principle rp reduced pressure principle backflow prevention devices reduced pressure zone assemblies rpza or reduced pressure principle assembly.

For technical assistance contact your local watts representative. Type ba device in backflow condition. Reduced pressure zone valve installation instructions model rpz 2 12 10 flomatic corporation.

Supplement to the 1981 cross connection control manual january 1992. Models rpz backflow preventers may be installed outdoors only if the assembly is protected against any freezing. Commitment to keeping all drinking water clean and safe with reliable and trusted backflow prevention assemblies.

Verifiable backflow preventer with reduced pressure zone. Step by step instructions for installing a backflow preventer. Diagrams of backflow prevention devices type ba type ba device in normal flow condition.

The purpose of these guidelines is to augment andor clarify those guidelines outlined in the january 1981 cross connection control manual. Reduced pressure zone valve installation instructions model rpz 2 12 10 flomatic corporation.

Rpz Valve Diagram 1 2 Watts 995qt Reduced Pressure Zone Assy Rpz