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Air Gap To The Drain
When connecting a dishwasher drain with an air gap without a garbage disposal the dishwasher air gap connection is indirectly tied to the sink drain. As with the garbage disposal air gap connection the dishwasher drain hose will connect onto the small side of the air gap with a hose clamp.

The larger side of the air gap will be hooked up to the y-branch tailpiece with a 7/8” rubber hose. The y-branch tailpieces is available in two sizes so make sure to get the size that fits 7/8” tubing since you are going from the air gap using 7/8” hose. Connect both ends of the hose by using hose clamps. Before you clamp the hose in place make sure there is no kinks in the tubing.

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