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Mario Bros Plumbing has been addressing the region’s plumbing needs since 1983. With four major service areas, we’ll send our local team to address your home or business’s plumbing needs.

All City Plumbing Team
  • 10+ Years in Business
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  • Sterling Reputation

Backflow Repair and Installation in Anaheim

Keeping You and Your Family Safe with Personalized Backflow Services Throughout Orange County

All City Plumbing offers backflow repair and installation as part of our plumbing services for residential and commercial properties in Anaheim, CA. So if you suspect backflow, we recommend you reach out to us as soon as possible to keep your family, employees, and customers safe. Since we opened in 2009, All City Plumbing has provided personalized plumbing solutions for our local community

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What Is Backflow?

Backflow can happen due to a wide range of causes including a power outage, a malfunctioning device, or an interruption in your water flow. When it happens, a reversal of water happens in your pipes which contaminates your water supply. 

What Can Backflow Cause? 

Backflow can cause water contamination due to toxins, chemicals, heavy metals, waste, and other hazardous materials. Many of these dangerous particles are not visible to the naked eye, increasing your risk of consuming contaminated water without realizing it. Contaminated water can result in health issues if you use it not only for cooking but also for laundry and other washing tasks. 

Avoid Contaminated Water Due to Backflow Malfunction

Even if you currently have a backflow device, a malfunction can happen, and scheduling a plumbing appointment can help you avoid health issues due to contaminated water. Our Anaheim backflow repair technicians can also ensure that your current backflow device adheres to all the local requirements. We are happy to educate our customers on the type of backflow devices they need and what signs to look for in potentially contaminated water.

Available When You Need Us Most

Our licensed Anaheim backflow technicians are available 7 days a week and we strive to offer same-day appointments for your convenience. We want you to get the plumbing services you need, and we offer financing options and regular coupons and specials. 

When You Trust Us With Your Backflow Issue, You Can Expect:


  • A thorough inspection
  • Fast and efficient solutions
  • Industry-leading warranties
  • Excellent customer service
  • Upfront pricing
  • Money back guarantee

Fill Out Our Online Form to Schedule a Backflow Repair in Anaheim, CA With One of Our Licensed Technicians!

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What Is Backflow Testing?

Our plumbing technician’s first step during a backflow appointment is to perform a detailed inspection of your backflow device and plumbing system. This helps us get to the root of the problem and determine which solution fits your situation. Our Anaheim backflow testing team can walk you through your available options and you can expect upfront pricing. 

What Is Involved in a Backflow Test?

A common type of backflow device consists of a flap that moves with your water flow - we check whether it is in the appropriate position as part of the testing process. The flap is supposed to block contaminated water from entering your pipe in the case of a flow reversal.

If we find that any water contamination has happened, our Anaheim backflow testing technicians can fully flush out your whole plumbing system until tests show that your water is clean again. We can also clean and reassemble your backflow decide to optimize its functionality and prevent future contamination.

Why Is Backflow Testing Required?

Annual backflow testing can ensure that your device works properly and address any necessary repairs before they turn into more extensive and costly issues. Common repairs for backflow devices include leaks and damaged parts like check valves or seals. Our Anaheim backflow technicians can recommend repairs and maintenance schedules. 

We combine excellent workmanship and high-quality parts that respect the local codes and regulations for both installations and repairs. If you need to install a backflow device in Anaheim, we can determine what you need depending on the type and size of your property. 


Do you need backflow preventer installation in Anaheim, CA? Contact All City Plumbing today at (909) 552-7550 to schedule an appointment! We offer same-day or next-day service for your convenience.


  • They came out on the Friday before a holiday weekend. They even came back the following day to finish up the job. They did not gouge their prices either for the holiday (sort of) service. Nick and Will were professional, polite and explained everything clearly. They even offered other services but did not "hard sell" us. They did an amazing job and I will be calling on them again. I also will recommend them to anyone needing plumbing service.

    Amanda O.
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