Sewer Backflow Preventer Home Depot. Prevent sewage or any other fluid from flowing back into your water system with the oatey 4 in. It isn’t always obvious when backflow happens, but we’ll get more into the signs and causes of backflow.
The sentinel drain guard is a sewage backflow protection valve. Backwater valves the need for backwater backflow valves is great in many areas of the united. When sentinel is installed in your basement floor drain it will guard against sewage backflow from entering your house causing thousands of dollars in damage and loss of sentimental property.
A preventer is typically installed in the main sewer pipe located outside your home;
Backflow happens when water flows the opposite way, causing possible contamination to the water supply. The ball (very old) disintegrated and i. Water will flow down through the drain opening until the sewer begins to back up. Unlike most backflow preventers, sentinel comes.
