Water Line Backflow Valve

Turn on water to flush the line of debris.

Water line backflow valve.

Foot valves are a type of check valve used in ponds and pools. 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. 800m4 pressure vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to back siphon age. 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. Find backflow preventers vacuum breakers at lowe s today. For example backflow can happen when there s a break in the main water line or when a fire hydrant is opened for use. A backflow prevention device protects your water supply essentially this device helps prevent materials from flowing backward through pipes.

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 protect against weather conditions that cause sewage overflow such as heavy rain. 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. This double check valve assembly is designed to this double check valve assembly is designed to prevent the backflow of polluted water from entering into the potable water supply due to back siphon age and or backpressure.

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. Essentially backflow happens when the water in your home as the name implies. Cover with an orbit valve box.

It consists of bronze body construction silicone rubber check valve disc plastic check valve seat stainless steel springs a bonnet with silicone rubber o ring seal a lightweight plastic. 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. But sometimes due to pressure changes in the pipes that water can actually flow backwards and seep back into the main water supply line. Backflow preventers prevent contamination of potable water by keeping water from flowing backwards into a water supply line.

Use fittings to install a gate or ball valve on the tee.