Your Kent, WA, Backflow Prevention Device Experts.
Call us at (253) 872-7222.
Backflow prevention is essential for commercial fire protection systems. While fire sprinklers and standpipe systems are designed to protect life and property during emergencies, they are also connected directly to a building’s potable water supply.
Without proper safeguards, these systems can unintentionally contaminate the clean water supply. Commercial backflow prevention protects both your facility and the public water system.
Archer Fire Protection offers comprehensive backflow prevention services for commercial and industrial buildings in Kent, WA.
Why Are Backflow Devices Needed in Sprinkler Systems?
Backflow occurs when water flows in the wrong direction within a plumbing system, potentially allowing contaminants to enter the clean water supply. Sprinkler systems are considered high-hazard cross-connections, as they may contain stagnant water, rust, chemicals, or antifreeze, posing significant contamination risks.
There are two primary causes of backflow:
- Backpressure: When downstream pressure exceeds supply pressure, often due to pumps or elevation changes.
- Backsiphonage: When a sudden drop in supply pressure creates a vacuum effect, pulling water backward into the main line.
Without backflow prevention devices, hazardous water can enter the city’s drinking water supply. For this reason, backflow prevention is required by plumbing and fire safety codes, and regulations often require annual testing and certification. Partnering with Archer Fire Protection helps ensure your system remains compliant and optimized for safety and performance.
Comprehensive Backflow Services by Archer Fire Protection
Archer Fire Protection delivers comprehensive backflow prevention services for commercial and industrial properties throughout Kent, WA, ensuring your fire protection system remains compliant, efficient, and operational year-round. Our services include:
Backflow Device Installation
Selecting and installing the correct backflow prevention assembly is paramount. Our team assesses your system, hazard classification, and local codes to recommend and install the appropriate device.
Certified Backflow Device Testing & Inspection
Most jurisdictions require annual backflow testing. Archer Fire Protection provides certified annual testing to ensure your devices function properly and meet NFPA 13 and NFPA 25 inspection standards. We also recommend a complete internal inspection and cleaning of your backflow system every five years.
Backflow Device Repairs & Replacements
If your system fails inspection, our fire prevention specialists can quickly diagnose issues and complete necessary repairs or replacements to restore compliance and protection.
Ongoing Maintenance Programs
Preventative maintenance extends equipment lifespan and reduces the risk of costly failures. Archer Fire Protection provides scheduled service plans tailored to your facility.
Compliance Documentation
Archer Fire Protection provides detailed documentation to help keep your property compliant with all regulatory requirements.
Types of Backflow Preventers Used in Fire Systems
Archer Fire Protection installs and services a range of backflow prevention devices tailored to your system design and risk level:
Double Check Valve Assembly (DCVA)
- Ideal for low to moderate hazard applications
- Protects against both backpressure and backsiphonage
- Cost-effective and widely used
Reduced Pressure Zone Assembly (RPZ)
- Required for high-hazard systems
- Includes a relief valve that discharges contaminated water upon failure
- Offers maximum protection for potable water
Detector Assemblies (DCDA & RPDA)
- Designed specifically for fire line systems
- Includes metered bypass to detect leaks or unauthorized usage
- Helps maintain system integrity and efficiency
Proper Backflow Device Installation Matters
Proper installation is essential for backflow prevention devices to function as intended. Our team follows all codes and best practices, ensuring:
- Easy access for testing and maintenance
- Protection from environmental damage and freezing
- Proper system sizing for flow demands
- Long-term reliability and performance
Improper installation can lead to system inefficiencies, inspection failures, or compromised fire protection.
Backflow Prevention Device FAQs
Why is backflow prevention important for fire protection systems?
Fire sprinkler systems may contain standing water that can become contaminated with rust, debris, or chemicals. A backflow prevention device prevents this water from re-entering the clean water supply, protecting public health and supporting compliance with plumbing and fire safety regulations.
Are backflow preventers required for commercial fire systems?
Yes, in most jurisdictions, backflow prevention devices are required for commercial fire sprinkler systems. Local codes, often based on NFPA standards and plumbing regulations, mandate these devices to prevent cross-connection contamination and ensure safe water distribution throughout the property.
How often do backflow prevention devices need to be tested?
Backflow preventers must typically be tested at least once per year by a certified professional. Regular testing confirms the device is working properly, remains compliant with local codes, and continues to protect both the fire system and the potable water supply.
What happens if a backflow preventer fails inspection?
If a backflow prevention device fails testing, it must be repaired or replaced promptly to maintain compliance. A failed device can pose a health risk and may result in code violations, fines, or service interruptions until the issue is resolved and the system passes re-inspection.
Schedule Your Backflow Service Today
Backflow prevention is not only about code compliance; it also safeguards your building, occupants, and community. From installation to annual testing and emergency repairs, Archer Fire Protection is your trusted partner for commercial backflow prevention in Kent, WA.
Call (253) 872-7222 today or request service online to schedule service and keep your fire protection system compliant, efficient, and protected.

Need Backflow Prevention Device Service?
Contact the experts at Archer Fire Protection.
Call us at (253) 872-7222
Customer Reviews
October 15, 2025
I scheduled my annual furnace tune-up and the whole process was seamless. The tech was punctual, thorough, and left the work area cleaner than he found it. He noticed a small issue with the igniter that could have caused problems later and took care of it on the spot. It's nice to head into winter knowing everything is in good shape.
- Jennifer O.
September 8, 2025
We decided to switch from our old gas furnace to a heat pump, and this company made it painless. The crew arrived on time, worked efficiently, and walked us through how to use the new thermostat before they left. It's been a few weeks now and our energy bills are already noticeably lower. Really impressed with the professionalism from start to finish.
- David T.
August 1, 2025
Our AC died right in the middle of a heat wave, and I was convinced we'd be waiting days for help. I called first thing in the morning expecting to be told they were booked solid, but they fit us in that same afternoon. The technician showed up within a few hours and got straight to work diagnosing the problem. He found the issue quickly and had the unit running again before dinner. What I really appreciated was that he took the time to explain what went wrong and gave me some tips to avoid the same issue in the future. No upselling, no pressure, just honest and efficient service. Couldn't be happier and will definitely call them again.
- Marcus D.
Response from Archer Fire Protection:
Thank you so much for the kind words, Marcus! We know how miserable it can be without AC during a heat wave, so we're glad we could get your system back up and running the same day.
