Residential & Commercial Service

Backflow Repairs

Failed test, leaking assembly, low pressure, or a backflow preventer that will not hold? We diagnose the device, rebuild worn checks, seals, and springs when the body is sound, then re-test, re-certify, and file the paperwork.

Flamingo technician servicing a backflow preventer assembly in the field
Backflow not holding? We repair and re-test
Since 1992Backflow repairs
100,000+ testsBehind every repair
Miami to Vero BeachServed across South Florida

Direct Answer

Can a Backflow Preventer Be Repaired?

A backflow preventer can often be repaired when the assembly body is still sound and the failure is inside the checks, seals, springs, relief valve, or other serviceable parts. Flamingo Plumbing & Backflow handles backflow repair in South Florida for residential, commercial, irrigation, domestic, and fire-line assemblies. We diagnose the failure, rebuild what can be rebuilt, explain replacement only when repair no longer makes sense, then re-test and re-certify the device across Palm Beach, Broward, Martin, St. Lucie, and Miami-Dade counties. Same-day response, upfront pricing, and licensed since 1992 (CFC1426338).

What We Repair

What Backflow Repairs Does Flamingo Handle?

Leaking backflow preventers, failed annual tests, worn rubber kits, stuck checks, bad springs, relief valve problems, pressure loss, and assemblies that will not hold during testing. We repair domestic, irrigation, fire-line, and commercial backflow assemblies when the body is still serviceable. Every repair is re-tested, re-certified, and guaranteed for at least a year. For routine annual testing, see backflow testing & certification.

Close-up of a backflow preventer assembly with its test cocks and shut-off valves

Failed Backflow Test Repairs

We diagnose why the assembly failed before recommending a fix. Worn checks, seals, springs, and rubber kits can often be rebuilt so the device passes without a full replacement.

Call About a Failed Test →
Flamingo technician rebuilding the internal seals and springs of a backflow assembly

Leaking Backflow Preventers

Leaks around a backflow assembly usually mean something inside is worn, fouled, or no longer seating correctly. We open it, inspect it, rebuild what failed, and re-test it.

Schedule a Diagnosis →
Replacement backflow preventer assembly installed on a water line by a Flamingo technician

Repair Versus Replacement Calls

When corrosion, cracks, or unavailable parts make repair the wrong move, we say so clearly and price the replacement separately. No guesswork, no surprise jump from repair to replacement.

Compare Replacement →

Why It Matters

Signs Your Backflow Preventer Needs Repair

A backflow preventer is the device keeping contaminated water from siphoning back into the clean supply. When it starts leaking, loses pressure, or fails a test, that protection is compromised, and repair should happen before the issue grows into a compliance problem.

  • A failed annual backflow test, especially when the checks will not hold.
  • Water leaking, dripping, or pooling around the device.
  • Discolored water, pressure changes, or noisy operation at the assembly.
  • Salt air, dirt, and debris wearing out internal seals and springs over time.
  • A repairable assembly body with worn internal parts that can be rebuilt.

How a Repair Works

What Happens During a Backflow Repair?

Tell us what failed and we take it from there. We diagnose the assembly, quote the repair upfront, rebuild the serviceable parts, and re-certify the device so it passes.

1

Call or book

Phones are answered 24/7 by a real person. Tell us the failed-test result, leak, low pressure, or discolored water you’ve noticed.

2

Diagnose the Failure

A licensed, certified tech opens the assembly and finds what failed: worn seals and springs, a bad check, a fouled relief valve, or a body that cannot be repaired.

3

Repair or Quote Replacement

You see the repair priced upfront. If repair is not the right move, we explain why and quote replacement separately before work continues.

4

Re-Test & Certify

We re-test, re-certify, and file the paperwork. Every job is covered for at least a year, licensed and insured, CFC1426338.

Why Flamingo for Backflow Repair

Why Choose Flamingo for Backflow Repairs in South Florida?

01

Since 1992

Backflow expertise since 1992 and over 100,000 backflow tests handled across homes, office complexes, retail, and industrial properties.

02

Certified technicians

Only licensed, certified technicians may repair, replace, and re-certify a backflow, and that’s exactly who does the work on your assembly.

03

Re-Tested & Guaranteed

Every repaired assembly is re-tested, re-certified, and the paperwork filed. At least one year guaranteed on the work, CFC1426338 · FPC17-000046.

4.9 ★★★★★ 967 Google reviews

Real customers · Real reviews

South Florida property owners trust Flamingo with the water supply.

P
Patti WynnCommercial · property manager

★★★★★ 5 weeks ago

"I have always had a pleasant experience with Flamingo Plumbing. I am a commercial property manager and have used Flamingo Plumbing for many years."
Commercial · Multi-year client
J
Julie LacasseSame-day service

★★★★★ 2 weeks ago

"Chase came to house to fix my issue. He came the same day!!! He is very professional, calm, knowledgeable and kind."
Same-day service · Tech: Chase
J
Jeffrey SilvermanClear, professional service

★★★★★ 2 weeks ago

"My plumber was named Kyle Roiko and he was super friendly and very knowledgeable. He got the jobs done very quickly and explained everything to me."
Clear communication · Tech: Kyle

Sample of recent reviews. Read all 967 on Google →

Backflow Repair Questions

Backflow Repair Questions People Actually Ask

How much does backflow repair cost?

Backflow repair cost depends on the assembly type, size, access, and which internal parts failed. Worn checks, seals, springs, and relief valves can often be rebuilt for less than replacement. Flamingo diagnoses the device first, quotes the repair upfront, and confirms whether replacement is actually needed.

Can a failed backflow preventer be repaired?

Often, yes. If the body is still sound, a certified technician can rebuild the failed internal parts and get the assembly passing again. If the body is cracked, badly corroded, or no longer serviceable, we explain the replacement option before work begins.

What are the signs my backflow preventer needs repair?

Common signs include a failed annual backflow test, leaking around the device, discolored water, low water pressure, noisy operation, or an assembly that will not hold during testing. South Florida salt air, dirt, and debris can wear out seals and springs over time.

How long does a backflow repair take?

Many backflow repairs are completed in a single visit once the right repair kit or parts are available. Flamingo serves South Florida from Miami to Vero Beach, answers phones 24/7, and can help with urgent failed-test or leaking-backflow situations.

Do you test and certify after repairing a backflow?

Yes. After the repair, the assembly is re-tested and re-certified so it passes, and Flamingo files the paperwork with the correct authority when required. Work is handled by licensed, certified technicians (CFC1426338, FPC17-000046).

Can I repair a backflow assembly myself?

No. Backflow preventer repair, testing, and certification must be handled by a licensed, certified backflow technician. Flamingo has handled backflow since 1992 and has completed over 100,000 backflow tests.

Still have a question? Call (561) 448-3200 — a real person picks up, 24/7.

The Flamingo Club

Members Pay Less Every Time

Flamingo Club members get priority scheduling, waived diagnostic fees, and 10% off repairs — for $24.99/mo, with a free annual inspection that catches leaks early.

See the Flamingo Club →

Book the Next Available Window

Same Day Backflow Repairs

Tell us what you’ve noticed: a failed test, a leak around the device, discolored water, low pressure, or an assembly that will not hold. We will diagnose it, price the repair upfront, and re-certify it to pass. Call About a Failed Backflow Test →