Backflow Prevention Services
Professional backflow prevention device installation, testing, and repair. Keep your drinking water safe from contamination.
Our Services
Professional plumbing solutions delivered by licensed experts
Backflow Installation
Install backflow prevention devices for compliance.
- RPZ valves
- Double check valves
- PVB installation
- Sprinkler protection
Annual Testing
Required annual backflow testing and certification.
- Certified testing
- City reporting
- Test documentation
- Compliance certificates
Repair & Replacement
Repair or replace faulty backflow devices.
- Valve repairs
- Part replacement
- System upgrades
- Emergency repairs
Why Choose Double M Plumbing
37+ years of trusted service in the Dallas-Fort Worth area
Fast Service
Prompt installation and testing to meet city deadlines.
Certified Testers
State-certified backflow prevention technicians.
City Reporting
We handle all reporting to your local water authority.
Licensed & Insured
Fully licensed, bonded, and insured for your protection.
Code Compliance
All installations meet local and state codes.
Reminder Service
Annual testing reminders so you stay compliant.
37+ Years of Trusted Plumbing in DFW
Double M Plumbing is a local, family-owned company serving Dallas-Fort Worth homeowners for over 37 years.
Our licensed and insured plumbers have completed 15,000+ jobs — with same-day service, flat-rate pricing, and no hidden fees.
Frequently Asked Questions
Get answers to common questions about our services
Serving Select Dallas Neighborhoods
Trusted plumbing service in Dallas's most established communities
Ready to Get Started?
Contact us today for fast, reliable plumbing service with same-day availability.