Water Line Backflow Valve

A backflow prevention device protects your water supply essentially this device helps prevent materials from flowing backward through pipes.

Water line backflow valve.

Find backflow preventers vacuum breakers at lowe s today. Foot valves are a type of check valve used in ponds and pools. Backwater valves protect against weather conditions that cause sewage overflow such as heavy rain. Cover with an orbit valve box.

800m4 pressure vacuum breaker prevents the 3 4 in. Backflow preventers prevent contamination of potable water by keeping water from flowing backwards into a water supply line. It is a special valve connected to the water main and prevents dirty water from washing back from your property into the water main and thus contaminating the supply of clean water to other properties. Essentially backflow happens when the water in your home as the name implies.

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. Turn on water to flush the line of debris. In the above example notice how the water line runs from the meter into the house in black and we break off of that for the sprinkler main line in red. Anytime there is a sudden heavy rainfall the city sewer lines can become overwhelmed causing water or sewage to flow back towards your home.

Because pressure is lost during these events water is no longer being pushed forward. Backflow preventers prevent contamination of potable water by keeping water from flowing backwards into a water supply line. But sometimes due to pressure changes in the pipes that water can actually flow backwards and seep back into the main water supply line. Most times water flows in a forward direction from your water supply source or water system into your main line and then into your home.

800m4 pressure vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to back siphon age. For example backflow can happen when there s a break in the main water line or when a fire hydrant is opened for use. Backflow is a term that describes the flow of water when it takes a backward direction and flows back into your water supply. 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.

It s compact modular design means easy maintenance with a single access cover for in line repairs.