Backflow Prevention Services

Backflow Services Near Naperville and North Aurora, Illinois

Backflow Prevention Services for Your Home

Welcome to U.S. Allied Plumbing, Heating, & Cooling! We’re proud to be your trusted experts in all things plumbing, heating, and cooling in the Aurora, Illinois area. With 40 years of service experience and our commitment to quality service, we pride ourselves on being your #1 choice for plumbing and HVAC in the area.


When it comes to backflow prevention services, we’re a team you can trust. Customer satisfaction is our priority, so you can always count on our plumbing, heating and cooling pros to get the job done right. Contact us today at U.S. Allied for trusted, professional backflow prevention services near North Aurora, IL!

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Backflow Prevention Service in the Naperville, Illinois Area

U.S. Allied is dedicated to ensuring the safety and integrity of your water supply with our backflow prevention services. Backflow occurs when there’s a reversal in the flow of water, potentially contaminating your potable water supply with hazardous substances like chemicals or sewage.


To prevent this, our certified technicians install and maintain backflow prevention devices. These devices are crucial in both residential and commercial properties, especially in areas with fluctuations in water pressure or where cross-connections exist. U.S. Allied’s team is skilled in identifying the need for backflow preventers and ensuring they are installed in compliance with local codes and regulations.

In addition to installation, U.S. Allied offers regular testing and maintenance of backflow prevention devices to ensure they function correctly and comply with health and safety standards. Regular testing is often a legal requirement and an essential part of maintaining the safety of your drinking water.


Our experts use the latest techniques and tools to test and repair backflow preventers, ensuring they are effective in protecting your water supply from contamination. With U.S. Allied, you can be confident that your backflow prevention needs are handled professionally, keeping your water safe and clean.

4 Frequently Asked Questions About Backflow Prevention

  • What is backflow and why is backflow prevention important?

    Backflow is the undesirable reversal of water flow in a plumbing system, which can lead to contamination of the potable water supply with harmful substances. Backflow prevention is crucial as it protects drinking water from pollutants and contaminants, ensuring it remains safe for use.

  • What types of backflow prevention devices does U.S. Allied install?

    U.S. Allied installs a variety of backflow prevention devices, including pressure vacuum breakers, reduced pressure zone assemblies, and double check valves. The choice of device depends on the specific needs of your property and the local regulations.

  • How often do backflow prevention devices need to be tested or serviced?

    Backflow prevention devices typically need to be tested annually to ensure they are functioning correctly. Regular servicing is also important to maintain their effectiveness and comply with local health and safety regulations.

  • Is backflow prevention necessary for both residential and commercial properties?

    Yes, backflow prevention is important for both residential and commercial properties. The risk of backflow contamination exists wherever there is a potential connection between the public water supply and a possible source of contamination. U.S. Allied assesses the specific needs of each property to recommend and install the appropriate backflow prevention solutions, ensuring the safety of the water supply in all types of buildings.

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Upgrading your plumbing and HVAC systems can be more than just a reward in itself. That’s why we partner with local utility companies to bring you rebates you can rely on so you can complete your projects with ease.

Air Source Heat Pump

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