24-Hour Backflow Testing & Repair in Greater St. Louis

Backflow prevention devices are crucial in preventing drinking water from becoming contaminated. Since backflow assemblies can break down and wear out, it is important to have your backflow device tested regularly to help ensure that the drinking water supplied to your property remains safe.

The licensed plumbers at Drain Masters Plumbing provide quality backflow testing and repairs for all types of residential and commercial applications to ensure that your properties comply with local codes. For your safety and peace of mind, we are licensed and insured throughout Weldon Spring and the entire St. Louis metropolitan area

We offer 24-hour emergency service to handle all of your plumbing and drain cleaning issues.

When your backflow device requires testing or repairs at your home or commercial building. Call or contact Drain Masters Plumbing today to schedule a visit from one of our Backflow Testing Experts.

If you have a backflow issue, call us or schedule a service via our Appointment Scheduler.

For additional helpful tips regarding your home’s plumbing mechanisms, tips for DIY projects and advice that can save you money, check out our plumbing resources page.

Be sure to visit our coupons page for discounts on our products and services, including $39 OFF your next standard repair!

Why Choose Drain Masters?

Licensed Experts
We Strive to Be the Best
24/7 Emergency Service
Regular Maintenance
Trusted for Over 30 years


Read our frequently asked questions

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Serving the St. Louis Area

Martin Parrella

St. Louis, MO
Schedule a Service with Drain Masters Today!
$39 OFF
Standard Plumbing repair or Drain Cleaning
$50 OFF
Drain Cleaning & Camera Inspection, Single Line
$100 OFF
Any Sewer or Water Line Replacement
$40 OFF
Water Heater Purchase & Installation