Backflow is a term in plumbing for an unwanted flow of water in the reverse direction. [1] It can be a serious health risk for the contamination of potable water supplies with foul water.

Apr 11, 2025 · Backflow occurs when water flows backward through your plumbing, potentially contaminating your home’s drinking supply. Your plumbing system is designed to deliver clean …

Backflow Prevention Device: Test Form This form is used to submit both initial and annual test results for backflow prevention device (s). Testing must be conducted by a certified tester …

Feb 19, 2025 · Backflow occurs when the normal flow of water in a plumbing system is reversed, allowing non-potable (contaminated) water to enter the clean water supply. This can introduce …

Here is what you need to know about backflow problems and how you can prevent them. Back pressure and back-siphonage are two different types of backflow. Back pressure occurs if the …

Backflow refers to the unintended reversal of water flow in a plumbing system, which can lead to contamination. Understanding the causes and types of backflow is crucial for maintaining safe …

Jan 29, 2025 · Backflow is the undesirable reversal of the flow of water or other substances from a private plumbing system into the public water supply. This can occur in any system where …

Without a backflow preventer, contaminated water containing pesticides, fertilizers and sewage might flow back into the water main. At Lowe's, you'll find top-quality backflow preventers …

Backflow is the undesirable reversal of this flow of water and undesirable substances from the non-potable source to the potable source. Why is Backflow Testing Important? Backflow …

Oct 28, 2022 · Backpressure is backflow caused by a pressure in the non-potable water system being greater than the pressure in the potable water supply piping. This higher pressure …