Wheaton's Trusted Home Services Company Since 2007


Backflow Testing and Prevention Services

Protect your water supply and keep it clean with OneStop Pro – the leading provider of quality backflow prevention installation and testing.

Backflow prevention is a serious matter. If you don’t have the right kind of backflow prevention in place, your home could be at risk of water contamination.

At OneStop Pro, we offer professional backflow installation and testing services at affordable rates. We have been serving Wheaton, IL, for many years and are experts in the industry, so you will get nothing but top-notch service whenever you work with us!

Backflow devices are essential for preventing contaminated water from getting into your home.

Installing a backflow device is not something you should do yourself, so if you’re looking to have one installed or repaired, it can be challenging to find an expert who knows what they’re doing.

With OneStop Pro, you can rest assured we will install your backflow device correctly. Our team knows how to get everything up and running quickly and efficiently. Whether you need us to come out for an installation or repair job, count on us to get it done right the first time around!

Are you looking for a reliable backflow prevention service provider? – Call OneStop Pro at 630-733-9000 to schedule service with our top-rated plumbers!

Expert Backflow Services

Are you looking for the best backflow testing and repair in Wheaton and aren’t quite sure where to turn? At OneStop Pro, our experienced backflow professionals help provide some of the best backflow testing and repair at a fair price.

Backflow testing helps to detect common backflow issues in your Wheaton area home or business plumbing systems and sprinkler systems.

A backflow assembly is a device that protects against the contamination of potable water supplies by limiting or preventing the flow of non-potable water into your water system.

All backflow assemblies must be tested on an annual basis to ensure their continued functionality. The EPA requires this testing for new installations as well as relocated devices.

OneStop Pro can test your plumbing system’s backflow assembly for you at any time. Our professionals have years of experience in performing these tests, so you can rest assured knowing your home or business is protected from contaminated water sources such as sewage lines and storm drains.

Is Backflow Testing Crucial?

Backflow testing is one of the most overlooked aspects of water system maintenance. Most people don’t realize that failing to properly test your backflow prevention device can lead to severe problems, including property damage and health issues. Backflow assemblies prevent contamination caused by herbicides, fertilizers, fecal matter, pesticides, and more.

Many homeowners are unaware of what is happening in their own homes. Water can be contaminated with harmful toxins that may cause serious health issues or even death. If you are not certified to perform backflow testing, then you should call a professional plumbing company in Wheaton like us at OneStop Pro to prevent various issues from arising.

We are licensed, bonded & insured, and provide top-notch services.

If you’re like most people, then the last thing you want to do is have no one you can trust when your home or business is experiencing plumbing issues. You need someone trustworthy, insured, bonded, and licensed to come in and fix the problem for a fair price.

At OneStop Pro, we offer comprehensive maintenance agreements that cover all your plumbing needs. All of our plumbers are experienced professionals, so we can guarantee quality work every time. Call us today for more information on our plumbing services at 630-733-9000.

Trust OneStop Pro for your backflow prevention and testing needs. We have an expert team of plumbers who are licensed, trained, and experienced to provide you with precise and thorough services. Call our experts today at at 630-733-9000 to schedule service with our top-rated plumbers!


We are Chicagoland’s Top-Rated Home Services Company

OneStop Pro is five star rated on Yelp, has won the Angie’s List Super Service Award six times, and is A rated on the BBB. From residential to commercial, we offer repair, service, and installation for electrical and HVAC systems alike. We here at OneStop Pro work 24/7 to ensure a seamlessly perfect project, every time.


“Whether HVAC, electric, or plumbing, OneStop Pro keeps you running”


Your Plumber, Electrician, and HVAC Guy, in One Five-Star Rated Stop.





Proudly Serving the Western Suburbs of Chicago

Contact One Stop Pro Today

We offer 24/7 Emergency Service to all of our customers. Since 2007, OneStop Pro Plumbing, Heating, Cooling and Electric has been providing best-in-class installation, repair and maintenance services to residential and commercial clients throughout the Wheaton area and beyond. We believe in providing first-class solutions to your plumbing, heating, AC & electrical needs at a price you can afford.