Sewer Backwater Valve at ganmarablog Blog


Sewer Backwater Valve. Backwater valves allow water to flow in only. Its application is to protect low areas or basements from backflow or waste from street sewers.


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Web this document explains for homes connected to a municipal sewer we discuss how to prevent sewer or storm drain backups into a building during rain or heavy flooding. Like a entry door, a backwater valve. Backwater valves allow water to flow in only.

Web learn the basics of how a backwater valve works. A sewer backflow valve keeps the contents of your sewer line from entering your home during a sewer backup. Backwater valves allow water to flow in only. Its elastomeric seal inside the flapper ensures a tight seal, preventing fluid from entering.