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Backflow devices keep contaminated water from flowing back into your clean drinking water. We install, test and repair backflow preventers for homes, irrigation systems and businesses.
Backflow happens when water pressure drops and water reverses direction, pulling water from irrigation systems, boilers, fire sprinklers or commercial equipment back into the public supply. That water can contain fertilizers, chemicals or bacteria.
A properly installed and maintained backflow prevention device stops this from happening. Many properties with irrigation systems, fire sprinklers or commercial equipment are required to have a device and test it regularly. We handle installation, testing and repairs so you stay protected and compliant.
You may need backflow prevention or testing if any of these apply.
Sprinkler systems are one of the most common sources of backflow risk.
Restaurants, salons, medical offices and car washes often require devices.
Your water provider may require annual testing on existing devices.
Fire lines typically need backflow protection and periodic testing.
A change in water quality can be a warning sign of a cross-connection.
Failed devices need repair or replacement to return to compliance.
Complete backflow service from installation to annual testing.
We install reduced pressure zone (RPZ), double check and pressure vacuum breaker assemblies.
Testing with calibrated equipment to confirm your device is working properly.
Repairing leaking or failed devices with rebuild kits and replacement parts.
Protecting your water supply from lawn sprinkler systems.
Ongoing testing and maintenance for businesses and property managers.
We review your property, equipment and local requirements.
We install the right device or test your existing one.
Failed devices are repaired or rebuilt and retested.
You receive results for your records and any required filing.
We coordinate testing around your schedule.
Know the cost of testing and repairs in advance.
Calibrated equipment and careful procedures.
Residential irrigation to commercial systems.
It is a valve assembly that lets water flow only one direction, protecting your drinking water from contamination if pressure drops.
Most water providers require annual testing. Check any notices you have received or ask us about the requirements for your property.
Homes with lawn irrigation systems, boilers or certain other connections often need one. We can evaluate your setup.
We can usually repair the device with a rebuild kit or replace failed parts, then retest it to confirm it passes.
Schedule backflow installation, testing or repair with Plumbing Lombard.
We will call you back quickly to schedule.
