
Backflow Testing & Repairs in the Inland Empire
Protecting Your Water Supply
State and municipal codes require that backflow prevention devices be installed in commercial and public facilities, as well as certain residential buildings, such as apartments and condos. The devices are designed to prevent the backflow of contaminated water into potable water systems. At 24 Hour Express Services Inc., we provide backflow testing in San Bernardino and Riverside counties for multi-family residential buildings, commercial properties, and industrial facilities.
County ordinances require annual backflow testing and certification to ensure that these devices are in good working order and that the drinking water supply is protected. We are fully licensed, certified, and insured to provide services to meet all your Inland Empire backflow prevention and plumbing needs.
The Importance of Backflow Testing
Backflow prevention devices, like any mechanical device, experience wear and tear over time. This can result in a failure of the device, which leaves your water supply vulnerable. For this reason, there are annual requirements for backflow testing in Inland Empire. Our trained and certified Inland Empire backflow testing technicians have the skill and experience needed to ensure that your backflow devices are in compliance with the law.
During the testing, our plumbers will:
- Perform a visual inspection of the devices
- Test the device with a gauge to measure the pressure
- Assess the condition of the valve and results of the testing
What happens next depends on the results of the testing. If the device is working properly, you will be provided with a certification stating that your device passed the testing. In the event that a device does not pass backflow testing in Inland Empire, we can repair it to ensure that it is working properly and passes the test.
Common Backflow Preventer Problems
When your backflow preventer is not working as it should, it could result in the contamination of your water supply. Our Inland Empire backflow repair team can identify whatever issues may be impacting your system and provide effective solutions.
Some of the most frequent issues we see include:
- Faulty first check valve: This valve should open when water pressure is around 2.0 PSI, but may open at lower pressures if it is not functioning correctly.
- Faulty second check valve: If there is too much backpressure, this valve failing could result in water leaking past it and back into the system.
- Relief valve opening point is incorrect: When the water enters the relief valve, there are several elements that are triggered to block the seal. If the opening point is too low or too high, the valve cannot function properly.
Comprehensive Backflow Testing Services for Residential, Commercial & Industrial Properties
Since 1999, 24 Hour Express Services has delivered outstanding service to homeowners, commercial and industrial sites, and property managers in Southern California. You can count on us for fast response times, quality work, reliable service, and competitive pricing. If you have an emergency, we are available 24/7.
Our certified professionals are equipped to handle all your Inland Empire backflow testing and repair needs. Call (951) 383-6268 for more information.

Meet The 24 Hour Express Team
We're Here For All Your Plumbing Needs
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Mike Weimann Owner
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Laurie Weimann Owner
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Michael Weimann Operations Manager
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Cary Bushfield Outside Sales & Marketing
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Bob Copeland Field Supervisor
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Adam Stout Technician
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Jack Khoury Technician
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Dustin Mitchell Technician
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Javier Reynoso Technician
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Jon Warner Technician
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Kade Davis Technician
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Michael Brodie Technician
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Matthew Blom Technician
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Ryan Young Technician
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Shane Lee Technician
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Zach Ochoa Technician
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David Diaz Technician
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Chris Bonhomme Technician
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Bernardo Lopez Technician
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Jessica Weimann Business Development
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Linda Weimann Accounting & Human Resources
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Chrystal Nelson Customer Service Manager
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Ana Marquez Customer Service Manager/Dispatcher
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Kimberly Haddock Customer Service Representative/Dispatcher
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Aaron Clark Technician
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Isaac Mendoza Apprentice
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Marc Delio Technician
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Ray Smith Apprentice
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Dylan Thurman Plumbing Apprentice
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Eddie Jones Plumbing Technician
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Xavier Ruiz Apprentice
Don't Just take our word for it
See What Our Customers Are Saying About Us
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“I will be using this company for all further plumbing needs in the future.”- Josh T.
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“They are very professional and the office staff is wonderful to deal with as well!”- Kathy W.
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“I call them every time I need an expert”- Bonnie H.
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“The service we received from 24 hr Express Services was fantastic!”- Elizabeth R.
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“I heartily recommend these guys and especially Jack.”- Ed P.
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“I'm so glad I called this company and I would recommend them to anyone”- Aaron C.
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“I would welcome him back into our home at any time definitely needs to be praised for what a great job he did today!”- Jessee J.
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“Technician Dustin showed up less than 30minutes, repaired the busted pipe super-fast without adding unnecessary work”- Mike A.
