When a device fails, it's rarely the whole thing. It's usually a seat, a disc or a spring. We show you the readings, quote the fix, and retest once it's done.
- PriceFree quote
- Time1–2 hours
- RetestIncluded
- ApprovalPrice first
Want to get on the schedule? Call or book online.
Signs you need a repair
- The tester marked it as failed
- The relief valve keeps dumping water
- You see water around the device when nothing's running
- Your district sent a second notice
Cracked or stolen? See backflow replacement.
Why backflow devices fail
Most backflow repairs in Corona come down to a short list of causes. Debris from the water main lodges on a check valve seat and keeps it from closing. Rubber discs and o-rings harden and crack with age and heat. Springs weaken. On RP assemblies, the relief valve diaphragm can tear.
All of those are repairable with the right parts. The test readings point to which section failed, so we can go straight to it instead of guessing.
Bigger damage, like a body cracked by freezing or a device hit by a car, is less common. That's when replacement usually makes more sense, and we'll tell you if that's the case.
How repair pricing works
Every repair starts with a quote. After the test, we show you the reading that failed, explain what's likely causing it and give you the price for parts and labor. Nothing happens until you say yes.
Most repairs use a rebuild kit and take one to two hours, including the retest. If we need to order parts for an uncommon model, we'll tell you how long it'll take and schedule a return visit.
The retest after repair is included. So is filing the passing report with your water district. You won't get a separate bill for paperwork.
When it's an emergency
Some repairs can't wait for a regular appointment. A relief valve dumping water nonstop, a device cracked by a freeze or a stolen assembly leaving a pipe open all need attention right away.
Emergency calls are answered 24/7. Close the shutoff valves on the device, or the main at the meter, and call us. We'll give you a price on the phone and get someone out as quickly as possible.
The same goes for a failed test with a shutoff date coming up. Tell us the date and we'll prioritize the repair so the passing report is filed in time.
Home and commercial repairs
At a home, repairs are usually on a sprinkler device and take an hour or two with the water off. Many are done right after the test, on the same visit.
Businesses need more planning. Fire line devices affect the sprinkler system, and water shutoffs can disrupt customers or patients. We schedule around your hours and keep downtime short.
After a failed test
When a device fails, the district needs a passing report after the repair. We record both the failed result and the passing retest, along with the parts replaced, and submit it.
If your district set a deadline, tell us. We'll make sure the repair and retest are done in time.
Parts we carry
Our trucks carry rebuild kits, springs, test cocks and common bonnets for the backflow devices we see most often across Corona. That's why many repairs are done on the same visit as the test.
For less common models or larger fire line assemblies, we order manufacturer parts. Most arrive within a few days, and we'll schedule the return visit as soon as they're in.
Our backflow repair services in Corona
Backflow Preventer Repair
Repairs for RP, double check, PVB and SVB devices using the manufacturer's parts for your make and model. Leaking relief valves, checks that won't hold, spitting bonnets and worn rubber are the common fixes. Every repair gets a retest and a filed report, and you get the price before we start. More about backflow preventer repair.
Backflow Assembly Repair
Failed test? We go straight to the part the readings point to, clean or rebuild it, and retest before we leave. Most assembly repairs are done in one visit with under an hour of water downtime. You see the price first, and the filing is included. Parts we don't carry usually arrive within a few days. More about backflow assembly repair.
Emergency Backflow Repair
Urgent backflow repairs any time of day or night. Stolen devices, freeze cracks, impact damage and relief valves that won't stop dumping water all get priority. Call 24/7, get the price before dispatch, and we'll fix it, retest it and file the report. Locking cages are available to prevent repeat theft. More about emergency backflow repair.
Questions
What happens if my device fails the test?
You'll hear exactly what failed and what the fix costs before we touch anything. Usually it's a cleaning or a rubber kit. Once it's fixed we test again and file the passing report. More on repairs.
Should I repair or replace a failed backflow preventer?
Repair, most of the time. A rebuild kit fixes the majority of failures. We'd only suggest a new one if the body is cracked, parts aren't available, it was stolen, or your property now needs a different type. More on replacement.
Why Corona customers call us for backflow repair
We're a local company that focuses on backflow prevention. Every test is run by a certified tester with a calibrated gauge, and every report is filed with your water district as part of the job, not as an add-on.
You'll know the price before any work starts. Testing is a flat $105 per device under 4 inches and $175 for 4 inches and up, and repairs, replacements and installs are quoted first. We answer the phone seven days a week from 6am to 12pm, same-week appointments are normal, and emergency calls are taken 24/7. When the job's done, you get a copy of the report by email so you always have proof on hand.
Backflow Repair near Corona
We offer backflow Repair throughout Corona and nearby cities, including Norco, Eastvale, Home Gardens, Weisel and Arlington. Most appointments are available within the week, and you can call or book online.