How Do You Install A Drain Air Gap?
Some municipalities may require the installation of a drain air gap when installing appliances such as dishwashers. The air gap connects between the appliance and the drain inlet and prevents dirty water from being siphoned back into the municipal water supply. The trickiest part to installing an air gap is creating the opening in the countertop for the air-gap tower. How this is done depends on the type of countertop you have. Plan out the position on the countertop for the drain air gap. Generally, these are located about 5 inches away from the sink. Some drain air gaps include a cutout that you can lay on the countertop to help plan. Make a mark on the countertop where the hole for the drain air gap is to be cut. Attach a cutting blade for your drill. The type of blade depends on your countertop material. On a ceramic or tile countertop, use a tile-cutting drill. For a laminate countertop, attach a spade bit of the appropriate size to your drill. Drill the hole through the counterto
