How Do You Hook Up A Dishwasher Drain To A Garbage Disposal?
A dishwasher drain line may be hooked up to a garbage disposal for the water to drain out of the kitchen drain line. There are two types of installation: One includes the use of an air gap to add extra air pressure in drainage and the other does not use an air gap. For replacement dishwashers, you may use all existing holes in the cabinet for water, electrical and drain lines. Turn power to the kitchen off by turning off the circuit breaker at the breaker box. Turn off the main water valve under the sink and turn the sink faucets on to drain water out of the lines. Drill a 1 1/2-inch hole in the cabinet wall closest to the kitchen sink near the floor level for a new installation. If this is a replacement dishwasher, use the existing holes. Thread the dishwasher drain hose through the hole while leaving the half-inch end that connects to the dishwasher in the opening of the cabinet near the backside of the dishwasher where the drain line connects. Remove the garbage disposal knockout pl
