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Certified backflow testing and repair

Backflow Testing & Repair in Meridian, Boise, Eagle, Kuna & Star

We test, repair, replace, and install backflow assemblies and pressure vacuum breakers for sprinkler systems throughout the Treasure Valley.

Backflow service shortcuts

Use these links if you already know what you need, or keep reading for more about backflow testing, repairs, and device types.

Certified testing, repair, and reporting

Backflow testing must be conducted by a certified backflow assembly tester at installation, repair, relocation, and at least annually thereafter.

  • We inspect and test the backflow device
  • We tag the assembly after testing
  • We email test results to you
  • We submit results to the water purveyor on your behalf
  • We keep test results on file for several years

If your backflow test fails

If your backflow preventer does not pass, we will explain the next steps before doing repair work. The fix may be as simple as cleaning parts, replacing worn components, or replacing the device when repair is not practical.

No repair work is performed without your permission after we discuss options and estimate the repair or replacement cost.

Backflow preventer and vacuum breaker types

These are common backflow assemblies and vacuum breakers we see on sprinkler systems and commercial sites in the Treasure Valley.

Pressure vacuum breaker for backflow testing

Pressure Vacuum Breaker (PVB)

A pressure vacuum breaker can protect against pollutants or contaminants, but only for backsiphonage. It must be installed at least 12 inches above downstream piping and outlets.

We see PVB assemblies often on Treasure Valley sprinkler systems and can test, repair, or replace them.

Double check valve backflow assembly

Double Check Valve Assembly (DC)

Double check assemblies are found on many older sprinkler systems. Existing units can remain in place as long as they pass required testing.

If a DC assembly cannot be repaired, it may need to be replaced with a PVB or RP assembly.

Reduced pressure principle backflow assembly

Reduced Pressure Principle Assembly (RP)

An RP assembly contains two check valves and a relief valve. It is a reliable form of backflow protection when site conditions require it.

We can test, repair, replace, and install this type of backflow assembly.

Spill resistant pressure vacuum breaker

Spill Resistant Pressure Vacuum Breaker (SVB)

An SVB is similar to a pressure vacuum breaker and can be used for backsiphonage protection. It must also be installed above downstream piping and outlets.

We see these occasionally and can test, repair, or replace them.

Atmospheric vacuum breaker that cannot be backflow tested

Atmospheric Vacuum Breaker (AVB)

An atmospheric vacuum breaker cannot be tested. We show it because we still see them on sprinkler systems from time to time.

If you have one on your sprinkler system, contact us about replacement with a proper backflow prevention device.

Protect your backflow preventer from freezing

Freeze Prevention

Many backflow repairs come from freeze damage. A late blowout, incorrect winterization, or water left in the device can cause expensive repairs.

Questions about your backflow preventer?

If you are not sure what type of backflow device you have, or you need help after reading the freeze prevention information, call or text us

Schedule a backflow test

Use our online form to request backflow testing. You can also call or text if you have questions before scheduling.

Service areas

We provide backflow testing, repair, replacement, and installation in Boise, Meridian, Star, Eagle, Kuna, Middleton, Melba, Parma, Fruitland, Avimor, Hidden Springs, and nearby Treasure Valley communities.

  • Meridian
  • Boise
  • Eagle
  • Kuna
  • Star
  • Middleton
  • Nampa
  • Caldwell
  • Melba
  • Parma
  • Fruitland
  • Hidden Springs

Backflow testing questions

How often does a backflow preventer need to be tested?

Backflow testing must be performed by a certified backflow assembly tester at installation, repair, or relocation, and at least annually thereafter.

Do you submit the test results?

Yes. We perform the test, tag the device, email the results to you, and submit the results to the water purveyor on your behalf.

Can you repair a backflow preventer if it fails?

Yes. If the device fails, we will explain repair or replacement options and estimate the cost. No repair work is performed without your permission.