Install Dishwasher Vacuum Breaker

Install Dishwasher Vacuum Breaker

A clog in your kitchen sink drain could cause dirty water to back-flow into the dishwasher and contaminate the inside of the washer tub. Some municipalities require you install an air gap between your dishwasher and garbage disposal or sink drain to avoid such an occurrence.
Dishwashers and sinks usually connect to the same drain. If the sink includes. Some dishwashers contain one-way drain valves that prevent backflow, but others depend on a simple installation trick.. What Is a Vacuum Breaker in a Faucet?