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Commercial Backflow Installation

A new backflow preventer has to be matched to your property's application and the level of hazard your connection presents, connected correctly, and signed off where local code requires it. This applies equally to a new build coming online and an existing property whose current setup no longer meets code.

Roto-Rooter installs commercial backflow preventers for new construction and retrofits nationwide. Call us today to find out how we can support your backflow installation.

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Where Are Backflow Preventers Typically Installed?

  • At the main water service entry to the building
  • On dedicated irrigation lines
  • On fire suppression and sprinkler system feeds
  • On boiler and cooling system connections
  • Ahead of chemical feed, medical, or lab equipment with a cross-connection

Which Backflow Preventer Type Does My Property Need?

Which device type applies depends on the application and the local code. In general, higher-hazard connections and any connection with a backpressure risk (chemical feed, medical equipment, fire lines with additives) call for a reduced pressure zone (RPZ) assembly, while lower-hazard, backsiphonage-only connections (many irrigation systems, some domestic water applications) may only require a double check valve assembly or a pressure vacuum breaker. The specific requirement always comes from your local water authority's code, not from the application alone. Roto-Rooter installs all of the common commercial types.

See our full guide to commercial backflow preventer types for how these differ, or the RPZ-specific guide if that's the device your code requires.

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New Construction and Retrofits

For new construction, backflow prevention is typically designed in from the start. For an existing property adding a new connection, or replacing a device that's no longer code-compliant, Roto-Rooter can assess the current setup and install the right device for it.

Once installed, every device needs an initial test and then a recurring one; see commercial backflow testing for what that involves.

How Long Does a Backflow Installation Take?

Installation time depends on the device size, the complexity of the connection, and site conditions, so there's no single number that applies to every property. A technician can give you a realistic timeline once they've assessed your specific installation.

Request your Backflow Installation Service today!

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Backflow Installation - Customer Reviews

01234
Jamie and Norm did a great job installing a backflow valve. They arrived on time, explained what the process would be like, took care to protect the surrounding area, and completed the work with precision and craftsmanship. They cleaned up completely and then took the time to explain what I should do to inspect and maintain the valve in the future. I highly recommend them. John M
01234
Very impressed with the quality of work and professionalism that I got. From the estimate visit with Mark to the actual installation of my back flow piping in prep for underground sprinkler installation coming up with Mason who was training Richie. Everyone was in time, professional, and did a fantastic job. Would recommend them to anyone. Alex K
01234
Pat showed up at the time promised and efficiently installed an RPZ valve for our lawn sprinkler. He was very pleasant and completed the work in a professional manner. Eve G

Frequently Asked Questions

How do I know which type of backflow preventer my property needs?

It depends on the degree of hazard your connection presents and what your local water authority requires. A technician can assess your property and recommend the right device.

Is a permit required to install a backflow preventer?

In many jurisdictions, yes. Requirements vary by location, and Roto-Rooter's technicians can confirm what applies to your property.

Does a new installation need to be tested?

Yes. A newly installed backflow preventer is tested at installation to confirm it's working correctly, and then on the recurring schedule your local water authority requires.

Can Roto-Rooter install a backflow preventer for new construction?

Yes, Roto-Rooter installs backflow preventers for both new construction and retrofits on existing commercial properties.

Do you install backflow preventers on irrigation systems?

Yes, irrigation is one of the common applications for a backflow preventer; the specific device type depends on your local code.