Backflow
Services
At RNT Plumbing, we specialize in backflow testing, prevention, repair, and installation for residential and commercial properties throughout Southeast Michigan. Certified, reliable, and compliant with local water authority requirements.
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Schedule Certified Backflow Testing Today
Call (734) 756-5778 to schedule backflow testing, repair, or installation. Protect your water. Stay compliant. Choose RNT Plumbing.
Backflow Testing
Annual backflow testing verifies that your device is functioning correctly. Many municipalities and water authorities require annual certification to maintain compliance.
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Certified backflow testing
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Detailed reporting for compliance
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Service for all backflow preventer types
Backflow Repair & Troubleshooting
If testing indicates a failure or malfunction, our technicians can diagnose and repair issues, whether it’s a worn check valve, diaphragm problem, or broken seal.
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Fast diagnostics
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On-site repairs
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Replacement recommendations
Backflow Installation & Replacement
We install backflow prevention devices for new systems or to replace outdated units.
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RPZ (Reduced Pressure Zone) devices
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Double-check valve assemblies
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Pressure vacuum breakers
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Spill Resistant Backflow Preventers
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Fire Suppression Backflow Preventers
Who Needs Backflow Services?
Backflow devices are commonly required for:
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Commercial buildings
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Restaurants
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HOAs and property managers
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Irrigation systems
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Fire sprinkler systems
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Multi-family housing
Annual testing isn’t just best practice, in many areas it’s required by law. We handle everything from installation to paperwork submission.

Why Choose RNT Plumbing for Backflow
✔ Certified Backflow Specialists – ASSE certified and experienced.
✔ Local Compliance Knowledge – We understand Michigan and Southeast Michigan water authority requirements.
✔ Fast, Professional Service – Minimizing downtime and ensuring compliance.
✔ Commercial & Residential – We serve homes, businesses, and HOAs alike.