What Is a Hose Connection Vacuum Breaker, Backflow Through Back-Siphonage?
Hose Connection Vacuum Breaker, Backflow through Back-Siphonage is a form of backflow that is the reversal of normal water flow to your home or business caused by a negative pressure (vacuum) in the water supply system. Back-siphonage can be created when the water supply piping is cut (main break) or during periods of high velocity water flow due to nearby fire fighting. If our homes lack the required backflow prevention devices (hose bibb vacuum breakers) or irrigation protection, contaminants can be back-siphoned into either the house plumbing or the utility’s water supply system. A situation common to most homeowners involves chemical aspirators, which are used to spray fertilizer or pesticides on yards or flower gardens. These are often attached to garden hoses, which may not have hose bibb vacuum breakers for protection. A back-siphonage condition could cause chemicals from the aspirators to be pulled into the house plumbing, thus, hose bibb vacuum breakers are required by all plu
