Mainline Backflow Preventer Installation 

The mainline back flow perventer is a tried and true way of preventing city sewer back ups in your home. These devices are mandatory in the Toronto area as floods are so common. Some insurance companies offer significant discounts if you get one of these installed in your home.

If you are considering one of these devices its important to have it installed by a qualified professional. These devices work by stopping flow in the reverse direction in the event that the city sewer backs up.

This device is installed on the main drain in your home before the drain exists the basement. This device needs to remain accessible for cleaning annually.