Is backwater valve mandatory?
If you live in an area that receives a lot of rain, or the occasional flash flood, then a backwater valve is absolutely necessary. As mentioned above, sudden heavy rains can cause city sewer lines to back up and into your home.
Where should a backwater valve be installed?
The backwater valve should be installed under the floor of your basement, attached to the main sanitary sewer close to where it leaves your house. It can sometimes be located in your front or back yard depending upon where the city sewer lines are located.
Do new homes have backwater valves?
When local code enforcement officers are encouraged to consider any drain that is connected to a public sewer system below the level of the adjoining street to be at risk of sewer back-up – as is the case in Alberta – new homes are required to have backwater valves.
How much is backwater valve installation?
Installing during the initial construction is naturally much cheaper, and can be installed for between $150 to $250. When retrofitting, some concrete will need to be removed to access the main sewer line. The cost to retrofit a backwater valve can range from $1,000 to $2,000.
How does a backwater valve for sewage backflow prevention work?
If the backwater valve detects a backflow of sewage, it switches from an open position to a closed position preventing water from flowing back up your pipes into your basement. A Sentinel Backflow prevention device is easy to install. First, measure the size of your drain. Is it a 3” or a 4” drain?
When to install a backwater valve in your basement?
If you are doing a basement renovation or even just tackling your seasonal maintenance tasks, I highly recommend you install a backwater valve. Some municipalities might even provide subsidies on installing a backwater valve, especially if you live in an area where sewer back up is common.
Who is the manufacturer of the backwater valve?
All rights reserved. backwater-valves.com is independently owned and resells products produced and manufactured by Mainline of Canada and assumes no liability for the installation of backwater valves and related products.
How much does it cost to install a backflow valve?
On average, backflow preventer installation costs about $300. Most homeowners pay between $135 and $1,000 depending on the size and type of the system. The device itself ranges from $35 to $600, while professional labor costs between $100 and $400. Expect to pay between $70 and $250 for a backwater or check valve, including install.
Can a backwater valve be installed inside a house?
The installation depends on the site conditions, the type of drainage point, the type of wastewater, the location of the sewer, the technical regulations etc. Backwater Valves can be installed inside the house in the basement. These systems can also be installed outside assuming our home has a high slope on your sewer lateral.
What causes a back water valve to fail?
Backwater valve failure comes from two main factors. Incorrect installation and lack of maintenance. In retrofit situations backwater valves can be difficult to install according to manufacturers specifications because the existing sewer lateral may have an inadequate slope for correct installation.
How tall does a sewer backwater valve need to be?
In order to achieve a minimum slope of 2% through the valve in a retrofit installation, the installer will most likely need to expose up to 4 or 5 feet of pipe. Many sewers are flat or back-graded and additionally, there is a 3/4″ difference in height from inlet to outlet on a Mainline Fullport Backwater Valve.
If the backwater valve detects a backflow of sewage, it switches from an open position to a closed position preventing water from flowing back up your pipes into your basement. A Sentinel Backflow prevention device is easy to install. First, measure the size of your drain. Is it a 3” or a 4” drain?
