Assembly repair usually means taking the device apart, cleaning out debris, replacing worn rubber parts and putting it back together. Then we run the full test again. If it passes, the report goes to your district.
- PriceFree quote
- Time1–2 hours
- RetestIncluded
- ApprovalPrice first
Want to get on the schedule? Call or book online.
Step by step
- Shut off water and open the assembly
- Review the failed readings
- Clean or rebuild the failed part
- Retest and file the passing report
- Give you the price
Starting from the numbers
The failed readings point to the problem. They show whether it's the first check, the second, the relief valve on an RP or the air inlet on a vacuum breaker.
Knowing that keeps the repair targeted. We open the failed section and look for the cause, usually debris, worn or cracked rubber, a tired spring or a torn diaphragm.
If another company tested your device, the readings are on their report. Send it over and we'll bring the right parts, which usually means a single visit.
What happens during the repair
Once you approve the price, we shut off water to the device. Sometimes that's the whole building, sometimes just the sprinklers or fire line.
The failed section gets opened up. We pull the parts, clean the seats, and replace any worn rubber, springs or diaphragms with matching manufacturer parts. We also look over the body and shutoff valves.
After reassembly, water goes back on. Downtime is usually 30 to 60 minutes. For businesses, we can often plan the work for a slower time of day.
Getting the passing report in
We don't leave until the device passes. Right after the repair, we run a full test. The report records it as passing after repair and lists every part we replaced.
That report goes to your district, and a copy goes to you.
If it still won't pass, we keep going or explain why it can't be fixed. Devices with body damage or repeat failures are sometimes better replaced, and we'll show you the cost of each option.
How we decide whether to fix it
Most failed assemblies are worth repairing. A rebuild kit costs much less than a new device, and a rebuilt assembly can pass for years.
Replacement starts to make sense when the body is cracked, when the device is so old that parts are no longer made, when it's been repaired several years in a row, or when it's the wrong type for the hazard. Sometimes the district requires an upgrade, such as moving from a double check to an RP after a change of use.
We'll give you a straight answer on which makes more sense for your device, with prices for both when it's close. The choice is yours.
Preventing repeat failures
If debris keeps fouling the same device, there may be a reason upstream. Recent water main work, old galvanized pipe or construction nearby can all send grit down the line.
In some cases, a strainer ahead of the device helps, though not every district allows them and they need cleaning. We'll tell you if we think something upstream is causing repeat failures and what your options are.
Working around your hours
Shutting off water at a restaurant at noon or a clinic during appointments isn't an option. For businesses, we schedule repairs around your hours, early mornings, late afternoons or slower days.
Let us know when water can be off and for how long. We'll plan the repair to fit, and the retest and filing happen before we leave.
What a repair costs
Repair cost depends on the device size, which section failed and what parts it needs. A rubber kit for a small residential device is very different from a full rebuild of a 4-inch fire line assembly.
You'll always see the price before we start, and it includes the parts, labor, the retest and filing the passing report. If replacing the device would cost about the same, we'll tell you that too.
If you're a property manager, we can send the quote straight to the owner or board and do the repair as soon as it's approved. The passing report goes to the district and a copy goes to everyone on your list.
Water shutoff
Most repairs keep water off for under an hour. We'll give you a heads up first.
Questions
Can you repair it if someone else tested it?
Yes. Send us the failed readings and we'll quote the repair.
How long does an assembly repair take?
Most are done in one to two hours, including the retest.
Do you quote before starting?
Always. You approve the price before we open the assembly.
Can you repair it the same day as the test?
Often, yes, if we have the parts on the truck. Otherwise we order them and come back.
What if parts aren't on the truck?
We order them and come back. Most parts arrive within a few days.
Will the report show it failed first?
Yes. Districts expect the report to show the initial result and the passing retest after repair.
How we handle backflow assembly repair in Corona
Our approach is simple. Show up when we say we will, do the work right, and handle the paperwork so you don't have to. Every tester is certified, every gauge is kept in calibration, and filing with your water district is included.
Pricing is clear. Tests are a flat $105 for devices under 4 inches and $175 for 4 inches and larger, and anything beyond the test is quoted before we start. We're available seven days a week from 6am to 12pm, with emergency calls answered 24/7. Most Corona appointments are within the same week, and you'll have a copy of your report by email when we're done.
Backflow Assembly Repair near Corona
We offer backflow Assembly 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.