Backflow & Water Safety
Backflow Inspection vs. Backflow Test: The Difference, and the Pros and Cons of Each
A backflow inspection is a visual check; a backflow test is a gauge measurement. Which one your notice wants, who can do each, and…
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Backflow & Water Safety Articles
Honest backflow & water safety answers from the licensed pros serving Northern Virginia.
Backflow & Water Safety
What Happens During a Backflow Test? The Procedure, Step by Step
The backflow testing procedure from start to finish: the gauge, the test-cock sequence, the pass thresholds for PVB, RPZ and double check, and what…
Backflow & Water Safety
Backflow Preventer Leaking? What Every Drip, Spray, and Gush Means
How to read a leaking backflow preventer: which PVB and RPZ leak patterns are normal, which are a rebuild, which mean a cracked body,…
Backflow & Water Safety
How Do You Know If You Have a Backflow Problem? 9 Signs to Watch For
The nine signs of a backflow problem in a Northern Virginia home, the innocent look-alikes that fool people, and what to do in the…
Backflow & Water Safety
What Is Backflow? The Plumbing Risk Hiding in Your Yard, in Plain English
What backflow is, backsiphonage vs backpressure, where the cross-connections in a house are, which backflow preventer stops what, and how to protect your home.
Backflow & Water Safety
Got a Backflow Test Notice in Northern Virginia? Here’s What It Means
That letter from Fairfax Water or Loudoun Water is routine. What a backflow test involves, the deadlines by utility, and how to close it…
Backflow & Water Safety
What Backflow Testing Costs in Northern Virginia (and What Moves the Number)
What backflow testing costs, what repair and replacement run nationally, what changes the price, and why the test is the cheap half of the…
Backflow & Water Safety
Backflow Testing in Woodbridge and Prince William County: The Notice, the Rules, and the Fix
Got a backflow test notice from Prince William Water? What Woodbridge and Prince William County require, the deadlines, and how the 30-minute test works.
Backflow & Water Safety
Winterize Your Sprinkler System’s Backflow Preventer Before the First Freeze
Freeze damage is the number one reason backflow preventers fail their annual test in Northern Virginia. How to winterize the device, and the local…