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.
Drain backflow valve.
When pushed enough the rubber float will seal your drain protecting your home or business from flooding.
It s compact modular design means easy maintenance with a single access cover for in line repairs.
Drain backflow preventer one way valve adjustable silicone drain backflow preventer sink floor drain trap for pipes tubes in toilet bathroom kitchen 4 pack 42 45mm hole 95mm depth 3 9 out of 5 stars 5.
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There are three main types of sewer backflow valves.
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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.
The 3 types of sewer backflow valve devices.
That s why we offer this inexpensive device to help prevent drain backflow.
Each sewer backflow valve has its own attributes which must be considered carefully before installation.
And the effectiveness of the valve can likewise vary greatly.
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Anytime there is a sudden heavy rainfall the city sewer lines can become overwhelmed causing water or sewage to flow back towards your home.
This model is offered in 2 3 and 3 drain sizes.
The water will excert pressure on a rubber float.