Backwater Valve Floor Drain Check Valve

A check valve is usually used to prevent liquids from contaminating a clean water supply for example. Flood guards use check valve technology to seal off sewer water backing up in your floor drains because of overloaded sewer conditions. Without a properly placed and installed backwater valve sewage could come into the basement through a floor drain sinks tubs and toilets.

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Check valves for basement floor drains.

Backwater valve floor drain check valve.

Smith manufactures a full line of backwater valves and deep seal traps including automatic manual shut off pit style sewer gate type valves and p traps. As used here a backwater valve is a check valve installed on a building drain to prevent backup should the drain line receive floodwaters from outside the building such as due to area flooding or a septic or sewer line backup. When the sewage level rises the floating ball seats tightly against the insert and keeps sewage from flowing out onto the floor. Water will flow down through the drain opening until the sewer begins to back up.

Homeowners in distress routinely express interest in installing a sewer check valve also known as a backwater valve as a solution for back ups from public sewer overflow. See our full selection here. How to prevent basement flooding through installation of a backwater valve. A clogged drain line can cause a sewage flood.

Floor drain backwater valve. In this video i show you how to install a backwater valve in your basement sewer drain. A big pipe carries waste from your house to the main sewer line under the street. The two valves are similar mechanisms with slightly different approaches to preventing backflow.

A backwater valve is often intended to protect your sewage line though. Backwater valve from zurn comes with a complete line including gate flapper and float type valves. The casts varies from iron to stainless steel. The flood guard float model float is pushed up by the rising water to seal off the drain opening.

Definition of backwater valve. At various locations across nyc the past building boom may cause the public drain system to be overburdened and not able to handle the flow of waste and rain water. This was my first time doing it and this was put into my own house ba. Talk to your municipal government to find out if any local permits are required as well as to find out what sort of equipment they recommend.

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