Core Service

Backflow Installations

Code-Compliant Device Selection, Professional Installation, and Commissioning

Why Professional Backflow Installation Matters

Installing a backflow prevention assembly is a critical step in protecting potable water systems. Accurate Backflow Testing LLC provides professional backflow installations for new construction, system upgrades, and replacements in Troy and nearby communities. With a foundation in testing and repair since 2017, our installation services reflect a deep understanding of device selection, code requirements, and proper commissioning practices.


Correct device selection, proper installation location, and adherence to plumbing and mechanical codes ensure the assembly functions correctly and remains serviceable for testing and maintenance.

Poorly installed assemblies can be difficult to test, prone to damage, and more likely to fail. A certified installer who coordinates with municipal inspectors and general contractors ensures a smooth process, a code-compliant result, and reliable long-term performance.

Key Benefits of Our Installation Services

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Proper device sizing and selection for the hazard type and hydraulic conditions

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Compliance with municipal and state codes, including clearance, access, and drain requirements

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Watertight, freeze-protected, and serviceable installations that simplify future testing and maintenance

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Professional coordination with general contractors, inspectors, and facility managers

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Complete commissioning and documentation to support municipal approvals

Common Installation Scenarios

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New Construction

Installation of backflow devices for commercial buildings, residential developments, and municipal infrastructure during build-out.

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Replacements

Upgrading older assemblies with newer models or replacing assemblies that have failed beyond economical repair.

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System Upgrades

Installing assemblies to support added process equipment, rooftop units, irrigation systems, or changes in water usage that introduce new cross-connection risks.

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Relocation & Protection

Moving devices from exposed outdoor locations to protected mechanical rooms or installing insulated enclosures as required to prevent freeze damage.

Methodology

Our Installation Process

Site Survey & Planning

We perform a site survey to assess system pressures, flow requirements, potential hazards, and optimal device location. We consider accessibility for annual testing and future maintenance, proximity to drains, and protection from weather or physical damage.

Device Selection

Based on hazard classification and system hydraulics, we recommend RPZs, DCVAs, PVBs, or other appropriate assemblies. We size devices to handle expected flow rates and select models with the necessary pressure rating.

Permits & Coordination

We advise on permit requirements and coordinate with general contractors and inspectors. If required, we prepare installation documentation and arrange inspection scheduling to support municipal approvals.

Professional Installation

Our plumbers install the assembly per manufacturer specifications, ensuring proper alignment, supports, and drain arrangements for RPZ relief valves. We employ freeze protection measures where needed—insulated enclosures, heat cables, or relocation to interior spaces.

Commissioning & Testing

Once installed, we commission the device, perform initial testing, and provide test documentation to the owner and municipality. We ensure valves, bypasses, and accessory fittings are labeled and accessible for future maintenance.

Handover

We supply all necessary documentation, including as-built details, device serial numbers, testing reports, and recommended maintenance schedules. We review the operation and maintenance requirements with facility staff or property managers.

Design Consideration & Best Practices

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Accessibility

Devices must be accessible for annual testing. Avoid placing assemblies behind cabinetry, in tight crawl spaces, or where vehicular traffic can cause damage.

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Drainage

RPZ installations require a proper drain to accept relief valve discharge. A nearby floor drain or piped drain must be provided per code.

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Weather Protection

Outdoor installations must be protected from freezing or direct damage. Provide adequate enclosures and insulation where warranted.

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Bypass Arrangements

For critical service lines that cannot be shut down, a properly configured bypass can facilitate uninterrupted service during testing or maintenance—installed according to code.

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Documentation

Accurate labeling, serial number recording, and accessible test ports are essential for efficient future testing.

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Costs & Estimates

Installation costs vary based on device type, site conditions, permit requirements, and plumbing complexity. We provide detailed written estimates that outline labor, device cost, piping, valves, insulation, and permit fees. Our estimates include a project timeline and coordination steps so property owners and contractors can plan accordingly.

Post-Installation Services

Following installation we offer:

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Initial commissioning and testing for municipal acceptance.

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Provision of municipal-ready test reports.

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Preventive maintenance plans and annual testing scheduling.

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Rapid response for any warranty or post-install concerns.

Frequently Asked Questions

  • Which device should I use—RPZ, DCVA, or PVB?

    Device selection depends on the hazard classification at the cross-connection. RPZ devices are used for high-hazard conditions; DCVAs for lower hazards; PVBs often for irrigation. We evaluate your system and recommend the correct device.

  • Can you coordinate inspections with the city?

    Yes. We can assist in permitting and coordinate with municipal inspectors to streamline approvals.

  • Do installations require a separate plumber certification?

    Installations are performed by qualified plumbers. Where local law requires licensed plumbing contractors for permit work, we fulfill those requirements and provide proper documentation.

  • How long does an installation take?

    Timing depends on site complexity. A straightforward replacement can often be completed in a day; new installations with permit work may take longer due to inspection schedules and coordination.

Contact

Accurate Backflow Testing LLC provides installations in Troy, MI and across surrounding Oakland County communities. For design consultations, installation estimates, or project coordination, call or visit our office at 6875 Donaldson Drive, Troy, MI 48085.

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Address

16875 Donaldson Drive, Troy, Michigan 48085

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Business Hours

Monday - Sunday: 8 AM - 5 PM

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