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Backflow Testing, Maintenance, and Installation in Toronto and Surrounding Areas

Sometimes dirty water from the hillside pool or the lawn irrigation sprinkler system backflows down the hosepipe into the clean water tank. This might cause a lot of inconvenience to your daily life. In order to prevent this from happening, a backflow prevention device is installed in the external tap of your house. GS1 Plumbing can help you with the installation of a new device or can help repair the old one.

A backflow preventer provides a physical barrier to the backflow of water to prevent cross-contamination issues. Sometimes, even minor damage to the preventer can lead to major contamination of water leading to medical emergencies. Our experts reach your site to perform backflow testing in order to ensure that there is no contamination in your potable water. 


According to law, backwater valves are needed to be installed in all newly constructed houses to prevent flooding. However, malfunctioning of backflow valves could lead to basement flooding. Heavy rainfall can cause Toronto sewers to be overloaded, causing city sewage to back up and flood your house. You are at the risk of flooding if you do not have a backwater valve installed in your mainline drain. Call GS1 Plumbing today to get a backwater valve installed in your mainline drain.

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Need to Prevent Backflow?

Talk to one of our technicians today and get a backflow valve installed.

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