Water Backflow Valve

Foot valves are a type of check valve used in ponds and pools.

Water backflow valve. But before we get into the details and benefits of a sewer backwater valve let s explain what backwater is. Sewer backflow is a term used in plumbing for unexpected and unwanted flow of water in reverse direction. Find backflow preventers vacuum breakers at lowe s today. It s compact modular design means easy maintenance with a single access cover for in line repairs.

Backflow prevention systems are devices installed onto a pipe that only allow water to flow in one direction. Think of it as a one way gate that allows water from the city s public water supply to flow into your home s piping but stops water if and when it ever tries to flow backwards into the main water supply. They are used in industrial settings where chemicals are connected to water lines and in municipal water systems to keep undesirable liquids and solids from contaminating plumbing. Backflow preventers prevent contamination of potable water by keeping water from flowing backwards into a water supply line.

Backflow preventers protection 16 w x 20 h backflow winter cover insulated cover pouch for irrigation backflow valve sprinkler valves in snow or sun exposure winterizing backflow preventers sand. If the first check fails to close when flow stops or reverses the secondary check valve engages to prevent backflow. A backwater valve sometimes called a backflow or sewer backup valve is a valve you can install on your sewer line and is designed to allow water or sewage to flow only one way that is out of your house. Anytime there is a sudden heavy rainfall the city sewer lines can become overwhelmed causing water or sewage to flow back towards your home.

Backwater valves also known as backflow prevention devices are installed on a sewer lateral that connects the building to the public sewer in the street. For maximum protection from system contamination they consist of a primary check valve and a secondary check valve. A sewer backflow valve can prevent waste water backups particularly from a public sewer. These valves meet nsf ansi 61 for use with drinking water.

Backwater valves protect against weather conditions that cause sewage overflow such as heavy rain. A properly working backwater valve allows flow to go in only one direction out preventing wastewater from entering your building during surcharges of the public sewer system or back ups caused by storms. 4 7 out of 5 stars 254.