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 move again into the plumbing system from different sources, equivalent to a water heater or irrigation system. This will 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 several types of backflow preventers, however all of them work by stopping water from flowing again into the principle water provide. Some frequent sorts of backflow preventers embrace:
