Backwater Valve in Etobicoke and surrounding areas: The amount of water going into the city drains might be affected by the current weather dramatically. During rainstorms and snow melting, city drains are overloaded trying to redirect all the water away. As a result, we might face such problem as water backing up from the drains and typically water moves to the lowest point, which very luckily might be you basement. To prevent your property from that kind of disaster, installation of a backwater valve is highly recommended. The backwater valve is device that allows water to go only in one direction – out of your house toward to city main drain. At the moment the city drain is overloaded and water trying to go backwards into your house, the backwater valve will close automatically, protecting your property from the potential disaster.