Skip to content
NJ · PA · DE
Steele Services — Fire Protection Specialists

Inspection & Testing · Installation · Maintenance

Fire Line Backflow Testing & Certification

Annual certification by a certified tester — filed with your purveyor where they require it, and in your hands either way.

Every fire line that touches potable water carries a backflow preventer, and every water purveyor wants an annual test with their form, their deadline and a certified tester's number on it. We test and certify, file with the purveyor where they require it, and get the report to you either way — and the forward-flow test doubles as proof your fire line still delivers.

Steele Services backflow inspection tag, marked passed, sealed to a tested assembly
Certified · passed and sealed
Standard
NFPA 25 §13.5 + purveyor requirements
Assemblies
DCVA, RPZ, DCDA on fire lines
Testers
NJ Certified Backflow Prevention Testers
Filing
Submitted where the purveyor requires it
Interval
Annual test, five-year internal
Coverage
NJ · PA · DE — statewide

Core services

Inspection and testing, installation, maintenance.

We provide pricing and timing before any work begins, so you can plan around it.

01

Annual Certification

The test, the tag and the paperwork — handled end to end.

  • Forward-flow and differential pressure testing
  • Check and relief valve operation verified
  • Certification filed with the purveyor where they require it
  • Deadline tracking so every notice is answered on time
  • Combined with sprinkler ITM visits to save a trip charge
02

Repair & Rebuild

Failed assemblies rebuilt with manufacturer kits, retested same visit.

  • Check and relief valve rebuilds
  • Seat and spring replacement
  • Freeze damage repair
  • Retest and refile immediately after repair
03

Replacement

When a rebuild stops making sense, a straight answer and a clean install.

  • Like-for-like and code-driven upgrades
  • Purveyor coordination on shutdowns
  • Five-year internal inspections
  • Documentation issued to you, and to the purveyor where required

Service frequencies

Find the service frequencies your system requires.

The baseline below is what the code requires. Your local amendment or insurance carrier can require more.

NFPA 25

Backflow Preventers

4Intervals

No.FrequencyRequired activityReference
01AnnuallyForward-flow and differential pressure test§13.5
02AnnuallyCheck valve and relief valve operation§13.4.2
03AnnuallyCertification filed where the purveyor requires itLocal ordinance
045 YearsInternal inspection of the assembly§13.5.2

Intervals shown are the NFPA baseline. Your local fire official or insurance carrier may require more. Read the standards free at NFPA.org (opens in a new tab)

Contact Us to Schedule Service

Common deficiencies

What actually fails inspection.

These are the three findings we come in contact with the most on backflow assemblies.

Inherited a system?

We onboard systems installed by other contractors. First visit is an inventory and a condition report — priced, itemized, no surprises.

Contact Us
01

A missed purveyor deadline

The test is annual and the purveyor's letter gives you a window. We track the dates so the test is done before it closes.

Local ordinance

02

A relief valve that dribbles

A weeping RPZ relief is the assembly telling you a check is fouled. It fails the differential test long before it floods the riser room — if someone tests it.

NFPA 25 §13.4.2

03

Blocked or buried assemblies

Buried in a pit full of water or blocked by a decade of storage, an untestable assembly is an untested one. Access is part of the finding, and we price the fix with it.

NFPA 25 §13.5

Common Questions

Backflow Preventers — questions we get asked.

Ask Us Directly
How often does a backflow preventer need to be tested?

Annually, by a certified tester. Where the purveyor requires the results, we file them; otherwise the report comes to you. Some purveyors and municipalities require more frequent testing.

Who is allowed to test a backflow preventer?

Only a tester holding current certification in that state — New Jersey requires its own certification. We hold NJ backflow certification and file the results with the purveyor.

What happens if the test is late?

The purveyor can issue a violation and, in some jurisdictions, shut off water service. It is a small annual test with an outsized consequence for missing it.

Is the fire line backflow the same as the domestic one?

No — they are separate assemblies with separate certifications, and a building commonly has both. Testing one does not cover the other, which is a frequent source of surprise violations.

We work on what's already in your riser room

AmesWattsFebcoWilkins / Zurn

No rip-and-replace pitch on the first visit. We hold current manuals and parts references for every line above — when a system genuinely can't be maintained any longer, we'll show you why before we quote a replacement.

Fire Line Backflow Testing & Certification in trouble right now?

Call 1-888-306-8430 — the line is answered around the clock by a technician who can access your system information and start guidance on the phone.