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 …

Learn how backflow preventers work, why they matter, and the types used to protect water systems from contamination in residential and commercial buildings.

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 …

Without proper backflow protection, disease and other pollution and contamination will be transmitted to occupants and no one will be safe. This chapter covers identification of …

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 …

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 …

But what exactly is backflow? Backflow is the unwanted reverse flow of fluids, gases, or other substances in a plumbing system due to a backpressure or a backsiphonage situation.

Backflow occurs when water flows in the opposite direction through your plumbing, potentially contaminating clean water with dirty water. Backflow can cause serious health and safety …