Backflow can occur for several reasons, including when the pressure in the plumbing system for dirty water is higher than the pressure in the supply lines ... sewer backflow preventer to keep ...

The global backflow preventers market is set for steady growth ... these devices prevent contaminated water from flowing back into potable water lines, ensuring the integrity of drinking water ...

A big pipe carries waste from your house to the main sewer line under the street ... by taking 15 minutes to install a floor ...