What Is Backpressure Backflow?

Backpressure backflow occurs when the downstream side of the piping system is greater than the supply pressure in a public system or customer’s potable water system.  Backpressure can result from an increase in downstream pressure, a reduction in the potable water supply pressure, or a combination of both.  Pumps can create increases in downstream pressure; temperature increases in boilers, etc.  Reductions in potable water supply pressure occur whenever the amount after being used exceeds the amount of water being supplied, such as during waterline flushing, firefighting, or breaks in the water mains.

Show All Answers

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?