List of featured suppliers of DRAINAGE Backflow Valves on Building Products Index
Drainage backflow valves are specially designed devices that prevent water or other liquids from flowing back into a plumbing system or building after it has been discharged. They work by allowing liquid to flow in only one direction, which prevents contaminants and waste from entering the building's plumbing system. These valves are an essential element of any construction or building project as they ensure the safety and cleanliness of the water supply.