Our Professional
Backflow Prevention Services
Protect your drinking water from contamination.
Backflow happens when water reverses direction—due to backpressure or backsiphonage—and can pull pollutants into the potable supply. Our licensed plumbers install, test, repair, and certify code-compliant backflow prevention assemblies for homes and businesses.
Testing & Annual Certification
Stay compliant and avoid fines with fast, accurate testing. We inspect your assembly, record readings, and provide the report your water authority requires.
Certified testing for residential & commercial sites
Performance checks for check valves & relief valves
Documentation submitted to your utility (where required)
Reminder service for renewals
Installation & Repairs
From new installs to urgent fixes, we make sure your protection is sized, installed, and vented correctly—and ready for inspection.
New installations & replacements
Conversions and relocations (irrigation, boilers, beverage/carbonators, fire lines)
Leak, freeze, and wear-part repairs; rebuild kits
Winterization & start-up services
Devices We Service
We work with the most common, testable assemblies, selecting the right protection for your hazard level and application.
RPZ/RP (Reduced Pressure Zone): highest protection for health hazards
DC/DCVA (Double Check Valve Assembly): for non-health hazards
PVB/SVB/AVB (Vacuum Breakers): backsiphonage protection, common in irrigation
Service Areas
- Gaithersburg, Maryland
- Bethesda, Maryland
- Potomac, Maryland
- Germantown, Maryland
- Rockville, Maryland
- Silver Spring, Maryland