A backwater valve is a backflow prevention device used to prevent outbound water through a dwelling’s drain pipes from re-entering — “back flowing”—into a home. The valve contains a flap that allows water to exit the home, but closes to prevent the back flow into the home.
Is a backwater valve the same as a check valve?
Ball Check Valves are installed in the discharge line from a waste water or sewage pump. Backwater Valve are installed in the sewer drain line, they provide protection against sewage backing up into the building resulting in property damage due to a clog drain or heavy rains.
Can you put a check valve on a sewer line?
In many instances a sewer check valve (also called a backwater valve) can be installed to greatly reduce backwater escaping back into a house sewer. This type of sewer repair should be performed by a licensed plumber.
What is a PVC backwater valve?
Clean Check extendable backwater valves prevent sewage backup into a residence or building as a result of a plugged sewer system, excess volume in the system or groundwater flooding.
Are backwater valves illegal?
It is illegal to do so, and debris and silt will clog your line. Consult a plumber to correct any pre-existing illegal connections. Install a backwater prevention valve, which is a fixture installed into a sewer line (and sometimes into a drain line) in the basement of your home or business to prevent sewer backflows.
Where is a backwater valve installed?
Plumbing codes require backwater valves when a fixture is installed on a floor that is below the next upstream manhole. The obvious example is the basement floor drain. Less obvious is a first floor fixture in a lot at the bottom of a hill.
How do I stop my sewer from backing up?
How to prevent a sewer backup
- Flush only toilet paper.
- Keep sewer lines clear of tree roots.
- Do not plant trees or bushes near sewer lines or laterals.
- Hire a professional to install an exterior cleanout.
- Avoid putting fat, grease and oil down the drain.
- Line or replace old pipes.
- Install a sewer backup valve.
Where should a sewer check valve be installed?
The valve must be installed on the main waste drain pipes that exit your home as well as those that are connected to any appliances located below the possible flood level. This means, for example, they may need to be installed to laundry sinks, your washing machine drain line, sump pumps, etc.
Is a backwater valve the same as a backflow preventer?
Backwater valves differ from backflow prevention devices in one key aspect: backwater valves are designed to protect you from the public water system, and backflow preventers are designed to protect the public water system from you. Without these devices, our water systems could not operate.
How much pressure can a backwater valve hold?
2-2011 codes state backwater valves in general must tested to 5 psi, and backwater valves with an integrated cleanout (like the 4963 Fullport line) must withstand 15 psi.
How do I stop my sewage from backing up?
How to Prevent Sewer Backups?
- Maintain your sewer lateral.
- Dispose of grease properly.
- Dispose of paper products properly.
- Consider plastic piping.
- Correct illegal plumbing connections.
- Consider a backwater prevention valve.
How do I keep my sewer from backing up?
What is a 4 inch ABS backwater valve?
The NDS 4 in. ABS Backwater Valve is designed to protect low areas or basements from the backflow of waste from street sewers. The quick-action flapper allows unrestricted unidirectional flow and features an elastomeric gasket to ensure a watertight seal. It has limited lifetime warranty.
What is a backwater valve on a sewer line?
ABS Backwater Valve is designed to protect low areas or basements from the backflow of waste from street sewers. The quick-action flapper allows unrestricted unidirectional flow and features an elastomeric gasket to ensure a watertight seal. It has limited lifetime warranty.
How does the Oatey backwater valve work?
Prevent sewage or any other fluid from flowing back into your water system with the Oatey 4 in. PVC Backwater Valve. Its elastomeric seal inside the flapper ensures a tight seal, preventing fluid from entering. Designed for use with 4 Sch. 40 piping system.
Is there a backwater valve for curbside pickup?
Curbside pickup available. The NDS 4 in. ABS Backwater Valve is designed to protect low areas or basements from the backflow of waste from street sewers. The quick-action flapper allows unrestricted unidirectional flow and features an elastomeric gasket to ensure a watertight seal.
