Joining Garbage Disposal Unit And Dishwasher

Installing a garbage disposal in a kitchen sink is a straightforward task, although fitting the pieces together and checking for leaks can be a time-consuming endeavor. If you have a dishwasher, though, you will need to add a step to this process. The dishwasher typically empties into the drain pipe, but when you install a garbage disposal, it will need to empty into the disposal unit.

These are easily connected to dishwasher drain lines so that the waste food drains into the disposal as well. Here is the stepwise procedure to attach the garbage disposal with the dishwasher.

To begin this process we shall first of all clean the bottom of the sink cabinet and keep a bucket beneath the sink. Using a pipe wrench, loosen the pipe and remove it. Any water in the pipe may be disposed in the bucket. Remove the drain pipe by unscrewing the long screws that joins the sink and the drain pipe.

Use a small putty knife to trim away the old plumber’s putty that helped seal the drain inside the sink, and lift the drain pipe out of the sink.

Place a 1/4″ bead of plumber’s putty around the drain opening in the sink. Drop the new sink flange into the drain opening and press it into place. From under the sink, slide the fiber gasket and backup ring onto the sleeve. Hold these pieces in place. Next slip on the mounting ring and snap ring.

Align the disposer with the three mounting ears on the sink mounting assembly. Holding the disposer in place, turn the lower mounting ring until all three mounting ears are locked into the mounting assembly.

Bringing the mounting and the disposal in line, slightly turn the unit and it will tighten and get locked with a click sound. The wall drain pipe can then be connected with the unit and using the J-trap supplied by the manufacturer.

Plug the disposal plug into the outlet under the sink and press the red reset button on the underside of the disposal to set the system for use. Turn the water on at the sink and check for leaks. Operate the electrical switch above the sink to activate the disposal and make sure it turns on. Be sure the water is still running when you do this or it may damage the unit.

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