Once you have enjoyed the benefits of a garbage disposal, you cannot imagine living without one. If you do not have a disposal or have an older model, you will discover that today�s models are very quiet, highly efficient, and safe. Best of all, with simple tools such as a wrench and screwdriver, you can have a new garbage disposal installed in no time. Just be sure you check with your local code to ensure you can install one and always choose the model that is best for your situation.
To begin, you will need to remove the existing drainpipes from the strainer, which is located at the wall or floor. If your piping were metal, you would do best to replace it but if it is plastic and has compression fittings, then you might be able to recycle them. If you can unscrew the fittings by hand, do so. Otherwise, you will need to use groove-joint pliers. In some cases, welded pipes will have to be cut using a hacksaw. Remember that before you pull the pipes off, place an old pan or bowl underneath to catch any waste and liquid.
Now, the sink strainer will need to be removed. This fitting is the one fastened to the sink bowl and has a very large lock nut. Replace the strainer with a flange that includes a disposer. To create a secure seal with the sink bowl, you should apply some plumber�s putty under the lip. Next, the mounting assembly will be installed. To do this, slip the assembly gasket, mounting, and retaining rings over the sink�s neck flange. Now, the screws will need to be tightened until they are tight. After you have done this, the excess putty will need to be cleaned away from the flange inside the sink.
The next step includes the mount disposer but before you mount it, the wiring connections at the disposer will need to be made. The key is to ensure you leave ample cable so that it can be extended to the power source. Now, the drain elbow will be attached. Keep in mind that if you also have a dishwasher, the disposer drain can be prepared at this time by simply following the instructions provided by the manufacturer. Slip the slotted flange of the disposer over the mounting bolds.
Then, the plastic waste pipe will be connected using a two-piece P-trap. This is attached to the drain fitting and elbow at the wall. If you need to, you can cut the trap and/or rotate it. When done, the waste pipe fittings will need to be tightened along with the disposer. Again, if you have a dishwasher, you can connector the hose to the disposer�s drain fitting using a steel hose clamps.
For your final step, you need to connect the power. It is important that you connect the disposer to a 20-amp circuit that is grounded. Additionally, the way in which the power is connected will vary depending on the type of disposal you buy. If you purchased a continuous feed style, then it would be wired to a switch on the wall or under the cabinet that would be flipped on and off like a light switch. However, if you purchased a batch feed, because it has an integral switch, it would be plugged right into a standard wall outlet. The best thing if you are not sure is to have a licensed electrician to complete this last step.