Why Do Backflow Prevention Assemblies Need to Be Tested?

Mechanical backflow prevention assemblies have internal seals, springs, and moving parts that are subject to fouling, wear, or fatigue.  Also, mechanical backflow preventers and air gaps can be bypassed.  Therefore, all backflow prevention assemblies have to be tested periodically to ensure that they are functioning correctly.  Mechanical backflow prevention assemblies have to be tested with properly calibrated gauge equipment.

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1. Why Do Backflow Prevention Assemblies Need to Be Tested?
2. How Often Does the Backflow Prevention Assembly Need to Be Tested?
3. What Is A Cross-Connection?
4. What Is A Backflow Prevention Assembly?
5. What Is Back-Siphonage?
6. What Is Backflow?
7. What Is Backpressure Backflow?
8. Why Do Cities Need A Cross-Connection And Backflow Testing Program?
9. Does A Lawn Irrigation System Require A Backflow Prevention Assembly?
10. When Requesting A Test For My Backflow Prevention Assembly, How Much Should I Expect To Pay For This Service?
11. Where Do I Send A Copy Of My Backflow Testing Report Or Verify That Testing Of My Backflow Prevention Assembly Has/Has Not Been Completed?
12. Can I Perform Backflow Prevention Tasks On My Own?