A backflow preventer is a tool put in in a plumbing system to forestall the backflow of water. Backflow can happen when the water stress in the primary water provide drops, inflicting water to circulate again into the plumbing system from different sources, corresponding to a water heater or irrigation system. This could contaminate the primary water provide with dangerous micro organism or chemical substances.
Backflow preventers are an vital 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 primary water provide. Some widespread sorts of backflow preventers embrace:
