What's a Backflow Preventer?

A backflow prevention device is used to protect potable water supplies from contamination or pollution due to backflow. In water distribution systems, water is normally maintained at a significant pressure to enable water to flow from the tap, shower, or other fixture.

Do I really need a backflow preventer?

Understand that it is always recommended to install a backflow preventer in any situation where incoming water and waste water have a chance of being cross-connected. This serves to protect you and your home, keeping your drinking, bathing, and cleaning water safe.

What is the purpose of a backflow preventer?

A backflow preventer valve is designed to prevent the water in your main water supply lines from flowing in a reverse direction. The valve will distribute the sanitary water from the main supply pipes to the water lines beneath your foundation.