Service Detail
Professional Backflow Device
Installation in Connecticut
Backflow prevention devices protect the public water supply from contamination by the buildings connected to it. Without a backflow preventer, water from inside a building can flow backward into the city water main when pressure conditions reverse. Fire sprinkler systems are required to have backflow protection because the water sitting in sprinkler piping is stagnant and not fit to enter the public supply. Royal Fire Protection installs backflow devices on fire service connections throughout Connecticut.
There are several types of backflow preventers. Double check valve assemblies, or DCVAs, are used where the hazard level is low. Reduced pressure zone assemblies, or RPZs, are used where the hazard level is high or where the cross-connection presents a real contamination risk. Fire sprinkler systems generally use one of these two configurations depending on the occupancy and the water purveyor requirements. Royal Fire Protection determines the correct device for the application and installs it where the water utility can access it for testing.
Connecticut water utilities take backflow seriously. Most require annual testing of every backflow device in their service area. Failed devices have to be repaired or replaced quickly to maintain water service. Some utilities will shut off water to a building with an out-of-compliance backflow device. Royal Fire Protection installs new devices, retrofits old installations, performs annual testing, and handles repairs when devices fail.
New Backflow Device Installation
New backflow installation starts with the water utility requirements. Each Connecticut water purveyor has specific rules about backflow device type, location and access. Some require the device inside the building near the water entry point. Some require an outdoor enclosure with year-round access. Royal Fire Protection coordinates with the local water utility at the start of every project. The device gets specified to match the utility approved list and located where the utility inspector can access it without entering the building.
Device sizing matches the fire sprinkler system demand. The backflow preventer creates pressure loss in the water supply. That pressure loss has to be accounted for in the hydraulic calculations for the sprinkler system. An undersized backflow device starves the sprinkler system of water during a fire. Royal Fire Protection runs the hydraulic calculation, picks the right device size and confirms the system still meets demand with the backflow preventer in place.
Installation includes the device itself plus the bypass piping, shutoff valves, test cocks and pressure gauges that NFPA 13 and AWWA standards require. After installation, the device gets initial-tested by a Connecticut-licensed backflow tester, with results documented and submitted to the water utility before the building goes into service.
Annual Backflow Testing and Repair
Connecticut requires annual testing of every backflow prevention device. The test verifies the device still functions as designed. Internal check valves have to close completely when flow reverses. Relief valves on RPZ assemblies have to open at the correct pressure differential. Test cocks have to seal properly. A passing test gets reported to the water utility. A failing test requires repair or replacement before the next reporting deadline.
Repair work covers worn check valve seats, failed springs, leaking relief valves and damaged test cocks. Most backflow devices are repairable with manufacturer rebuild kits. Royal Fire Protection stocks rebuild kits for the common Wilkins, Watts, Febco and Apollo devices used in Connecticut. The repair process isolates the device, depressurizes it, opens the body, replaces the failed components, reassembles and retests.
Replacement is required when a device is beyond economical repair, when it no longer meets current code, or when the water utility deems the device end of service life. Royal Fire Protection coordinates replacements during scheduled water outages, minimizing disruption to the building water service and the fire sprinkler system protection during the work.
Why Backflow Installation Quality Matters in Connecticut
A backflow device that is installed wrong does not protect the water supply and does not pass the annual test. Common installation problems include wrong device orientation, inadequate test cock access, missing shutoff valves, undersized pipe on the bypass, and devices installed in locations the utility inspector cannot reach. Correcting installation problems after the fact costs more than doing the work right the first time.
Connecticut water utilities track which contractors perform their work to spec and which do not. A contractor that consistently delivers passing initial tests builds a reputation with the utility. Royal Fire Protection coordinates with utilities throughout Connecticut, knows what each utility expects, and delivers installations that pass the first test.
Documentation matters more than most building owners realize. Every backflow installation and every annual test generates paperwork that has to be submitted to the water utility on a defined schedule. Missing the submission deadline triggers compliance letters and potential service interruption. Royal Fire Protection handles the paperwork as part of the service. The building owner gets copies but does not have to manage the submission process.
Annual Testing
Every backflow device installation includes initial certification testing and submission to the water utility. Annual testing tracked by serial number with reminders before due dates.
