A backflow preventer is a tool put in in a plumbing system to forestall the backflow of water. Backflow can happen when the water strain in the principle water provide drops, inflicting water to stream again into the plumbing system from different sources, comparable to a water heater or irrigation system. This may contaminate the principle water provide with dangerous micro organism or chemical substances.
Backflow preventers are an essential a part of any plumbing system, and they’re required by code in lots of areas. There are various kinds of backflow preventers, however all of them work by stopping water from flowing again into the principle water provide. Some frequent kinds of backflow preventers embrace:
