Backflow Preventer Installation

Backflow preventer installation protects people, property, and drinking water quality. If you manage a facility or own a home in Michigan, backflow preventer installation is the step that keeps non-potable water from entering the public supply and keeps you compliant with local code. This guide explains how Backflow Prevention Services handles design, permitting, and installation so you get a compliant system with minimal downtime. You will see the phrase backflow preventer installation again in the middle and at the end to reinforce the topic for readers who scan.

What a Backflow Preventer Does

A backflow preventer is a valve assembly that allows water to move in only one direction. It blocks contaminated or questionable water from reversing into potable lines during events like pressure drops, back-siphonage, or backpressure. Typical use cases include irrigation systems, fire protection lines, boilers, lab equipment, commercial kitchens, and decorative water features.

When Michigan Code Requires It

Michigan Plumbing Code and local water departments require backflow devices on cross-connections that could introduce pollutants. Most commercial sites and many residential systems need protection. Annual testing is also required to confirm the device is working. Our team coordinates with authorities and submits required documentation on your behalf.

The Right Device For The Job

Device selection depends on hazard level, installation location, and hydraulics.

• RPZ (Reduced Pressure Zone) for high hazards and backpressure risks
• DCVA (Double Check Valve Assembly) for low to moderate hazards
• PVB (Pressure or Spill-Resistant Vacuum Breakers) for irrigation and backsiphonage only
• Specialized configurations for fire lines and unique industrial processes

Our Installation Process

1. Site assessment. We review drawings, current plumbing, freeze risk, drainage, and access.
2. Device selection. We match hazard class and code with the correct assembly and size.
3. Design and quoting. You receive a clear, line-item proposal.
4. Permits and scheduling. We coordinate with city or township officials and water departments.
5. Backflow preventer installation. Licensed plumbers install isolation valves, unions, drains, and supports.
6. Commissioning and testing. ASSE 5110 testers verify performance and record readings.
7. Certification and records. We submit documentation to the authority and keep a record for renewals.

Cost, Time, and Access

Most single-device jobs take a few hours, not counting permit lead time. Costs vary by device type, pipe size, material, freeze protection, and accessibility. Coordinating shutoffs to minimize disruption, any temporary water solutions or bypass arrangements are the customer’s responsibility.

Common Installation Mistakes To Avoid

• Installing the wrong device for the hazard level
• Skipping required clearances, drainage, or orientation
• Placing devices where freeze or flooding is likely
• Forgetting test cocks, unions, or isolation valves that allow service

Why Backflow Prevention Services

• Over 50 years combined experience serving residential, commercial, industrial, municipal, and military sites across Michigan
• Licensed Journeyman and Master Plumbers for repairs and installs
• ASSE 5110 and 5130 credentials for testing and repairs
• Stocked service trucks to complete most work in one visit
• Paperwork handled for you, including certificates and authority submission

FAQs

Who schedules the inspection and sends certificates?
We coordinate with officials and submit certification on your behalf.

How often is testing required?
Annual testing is standard. 

Backflow preventer installation is the foundation of safe water management. If you need design help, a bid, or a fast on-site assessment, schedule service today. Our licensed team is ready to complete your backflow preventer installation on time and in full compliance.