Water Line Backflow Valve

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

Water line backflow valve.

800m4 pressure vacuum breaker prevents the reverse flow of polluted water from entering into the potable water supply due to back siphon age. Because pressure is lost during these events water is no longer being pushed forward. Backwater valves protect against weather conditions that cause sewage overflow such as heavy rain. 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.

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. 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. Essentially backflow happens when the water in your home as the name implies.

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. 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. 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.

Anytime there is a sudden heavy rainfall the city sewer lines can become overwhelmed causing water or sewage to flow back towards your home. Turn on water to flush the line of debris. Backflow preventers prevent contamination of potable water by keeping water from flowing backwards into a water supply line. Backflow is a term that describes the flow of water when it takes a backward direction and flows back into your water supply.

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. Use fittings to install a gate or ball valve on the tee. A backflow prevention device protects your water supply essentially this device helps prevent materials from flowing backward through pipes.

800m4 pressure vacuum breaker prevents the 3 4 in.