What is a backflow prevention test?

Backflow testing is a process that is used to test your plumbing system to make sure that drinking water is not being contaminated by dirty water infiltrating the water supply.

How do you inspect a backflow preventer?

When testing the device, the backflow certified plumber will first turn off the downstream shut-off valve and wait for a few minutes, and then he’ll test the pressure in the system by hooking up test kit hoses. The plumber is basically looking for areas where the pressure isn’t what it should be.

How are backflow prevention devices inspected and serviced?

The inspector will take a look at the current condition of your backflow unit. They will turn off the downstream valve and wait a few moments. The inspector will then hook up test kits containing hoses. They will determine if there are any areas where the pressure is off balance and correct them.

Who owns the backflow preventer?

Who is responsible for the backflow preventor? The customer owns and is solely responsible to ensure that the device is installed and in satisfactory operating condition at all times.

How often do you test backflow prevention?

6. How often does my backflow preventer need to be tested? Reduced Pressure Zone (RPZ) assembly needs to be tested annually and rebuilt every 5 years. Double Check Valve (DCV) assembly needs to be tested every 3 years.

How often should backflow prevention be inspected?

every 12 months
Backflow prevention regulations in Sydney require annual testing — that is, once every 12 months. This testing must be done by a licenced professional plumber who has received additional training in backflow prevention testing.

Where should I put my backflow preventer?

There are three options for backflow preventer installation: inside a vault, inside a building, along with outside and above ground in an enclosure. This backflow preventer installation guide details each method and highlights why we recommend installing backflow preventers above ground and outside as a best practice.

When are backflow preventers required?

A backflow preventer is required if the location of your plumbing system is not even a foot above the closest rising sewer manhole. Even when you have the plumbing system underneath the cleanout, you need to install SBPDs or sewer backflow preventer devices.

Are backflow preventers required?

Sometimes Backflow Preventers are Necessary. Backflow devices are not only necessary to ensure the safety of the public ate supply, but they are often a requirement for certain homeowners and business owners. Those with irrigation systems, pools, chemical connections to main water lines or a well on their property need a backflow system.

What is a backflow valve?

Backflow Valve. A backflow valve is a prime example of a backflow preventer, the purpose of which is to prevent contaminated water from flowing back into a clean water supply. The backflow assembly is generally installed at exit points in a basement or a sewer pipe.