I work 8-5, so yes, I realize apple is open during these hours. I know they are open until roughly 6 or 7pm. It's the after 5pm hours, and sat/sun hours I'm interested in. So I can plan my week.
An air gap for a dishwasher is a requirement set forth by local plumbing codes. It is a device designed to ensure water flows only in the right direction during the dishwasher cycle. As a dishwasher operates, hot water flows in from the sink's hot water connection.
Purpose of Air Gap on a Dishwasher. Dishwashers can help make life a lot more simple, and are generally very low-maintenance, but there are a few important details to know, to ensure it will function well for years. One thing to familiarize yourself with is the air gap, which is a requirement for dishwashers in most states.