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Backflow Testing · Marshalltown, Iowa

Backflow Testing & Repair in Marshalltown, Iowa

Backflow prevention keeps irrigation water, boiler water and process water from being pulled back into the drinking supply when pressure drops. Most Marshalltown water authorities want an annual test on any device protecting a commercial building, a fire line or a lawn irrigation system.

Call (833) 435-9778 and describe what is happening. We will give you an arrival window before you hang up and a flat price before anyone starts work - the same price at 2am as at 2pm.

  • 24/7 in Marshalltown
  • Flat price
  • Same-day service

Call a plumber now

(833) 435-9778

Answered 24 hours a day, including weekends and holidays.

Call (833) 435-9778
  • You have received an annual test notice from the water authority
  • An irrigation system with a device that has never been tested
  • A device that is leaking or weeping continuously

When to call us in Marshalltown

  • You have received an annual test notice from the water authority
  • An irrigation system with a device that has never been tested
  • A device that is leaking or weeping continuously
  • New commercial fit-out requiring certification
  • A fire line device due for its yearly check
  • You have bought a property and no records exist

What the visit covers

  • Full test on RPZ, double check and PVB assemblies
  • Rebuild kits carried for the common assemblies
  • Repair and retest in the same visit where possible
  • Paperwork completed and filed with the authority
  • Freeze protection advice for outdoor Iowa devices
  • Reminder the following year so you do not miss it

Winter splits pipes in the same places every year

The runs that fail in Marshalltown are predictable: supply lines in exterior walls, anything crossing an unheated crawl space, and hose bibs left connected in November. Ice rarely bursts the pipe where it forms - it bursts it downstream where the pressure has nowhere to go, which is why the damage often shows up somewhere that never froze.

Backflow Testing across Marshalltown

Billybob Plumbing covers Marshalltown and the surrounding communities. Call for service anywhere in the area.

Marshalltown customers on our backflow testing work

★★★★★

Whole house repipe. They planned the access holes first, kept water on every night, and cleaned up properly each day. Five days and far less mess than I braced for.

Georgina P. · Marshalltown, IA

★★★★★

Two bathrooms remodelled and they did all the rough-in. Inspector had nothing to say, which apparently is the highest compliment available.

Tomas Y. · State Center, IA

★★★★★

Second opinion on a quote to dig up our whole sewer line. They cameraed it, found one bad section, and lined it for a fraction. Saved us thousands.

Verity P. · Melbourne, IA

Other plumbing services in Marshalltown

Backflow Testing near Marshalltown

Same service, same pricing, in the communities around Marshalltown.

Backflow Testing in Marshalltown: common questions

How often does a backflow device need testing?

Annually in most Marshalltown jurisdictions, and some commercial and fire applications more often. We keep your date on file and remind you before it lapses.

What happens if my device fails the test?

We rebuild it and retest. We carry kits for the assemblies we see most in Marshalltown, so failures are usually resolved on the same visit rather than turning into a second appointment.

Do you file the paperwork with the water authority?

Yes. The completed report goes to the authority and a copy goes to you, so there is nothing left on your desk to chase.

Should I have my irrigation backflow tested before winter?

Test on your normal annual schedule, but do winterise the device before the first hard Iowa freeze. A cracked assembly from freezing is a far bigger bill than a test.

Do you charge extra for nights and weekends in Marshalltown?

No. A call at 2am on a Sunday costs the same as the same job at 2pm on a Wednesday. No overtime rate, no holiday surcharge, no emergency premium.

Backflow Testing in Marshalltown, day or night

One number, answered around the clock, with the price agreed before we start.

(833) 435-9778
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