How to Remove Garbage Disposal

How to Remove Garbage DisposalTo remove garbage disposal and return to the original sink drain, it takes time and heart. There could be many reasons for the removal of garbage disposal. Garbage disposals wear out in years of use or people tire from the maintenance. Perhaps, faulty drain pipes are the primary reason for removing the garbage disposal.

Though it is one of the efficient and hardest-working appliances in the kitchen, eventually, it is time to bid adieu to it. With our step-by-step guide, you can understand the complete procedure of how to remove garbage disposal.

You can end up with the procedure within two to three hours if you are ready with the complete materials and have a good knowledge of the appliance and drain pipes.

Materials You’ll Need for Removing Garbage Disposal

  • Channel-type pliers
  • Flat screwdriver
  • Basket Strainers
  • Plumber’s putty

Steps on How to Remove Garbage Disposal

Garbage disposal comprises of many attachments like electrical supply (either directly or through wall mounted supply), a drain from the dishwasher, a drain to sink trap and disposal mounting.

1. Disconnect the Garbage Disposal

To begin removing the garbage disposal, you will need to make sure that it is unplugged or the switch is turned off from the electric service panel or circuit breaker. Or else you can loosen the wires from the disposal directly. It is a safety precaution before going ahead with any further step.

2. Remove the Drain Traps

Once it is unplugged, remove the drain trap. A drain trap is a connection between the garbage disposal and the drain pipe. You would require the screwdrivers to detach the drain pipe. Use the bucket to collect any standing water from the drain pipe.

3. Unfasten Dishwasher Drain Line

If the dishwasher is also connected, then you need to disconnect it too from the garbage disposal. Using the plier, remove the dishwasher drain line from the garbage disposal. Now, pull the trap pipe by removing the trap nuts using the plier. Remove the continuous waste by removing the trap pipe.

4. Removing Garbage Disposal from the Sink

Now, once all the connections are removed from the garbage disposal, it is time to remove a garbage disposal from the sink.

Garbage disposal would be secured by a snap ring which needs to be loosened to detach the garbage disposal from the sink trap. For this, you would require the flat screwdriver to be placed under the ring and open it. After doing so, disposal would come straight down.

5. Dismantling the Garbage Disposal Mounting

Mounting assembly consists of two parts. The upper part is the finished portion, which is above the sink and allows the waste to pass through it. The bottom part is triangular shaped, and three nuts are holding it. It can be dismantled after opening the snap ring by loosening the three nuts.

Rest of the garbage disposal comes off easily, and you can easily pull it out of the trap of the sink. To prevent any damage to your floor or yourself, you can catch it as it comes off or you can place a towel.

You can follow further steps you do not wish to replace the garbage disposal and instead want to return to the sink drain. These additional steps will lead to the installation of the sink drain and drain pipes, allowing wastewater to flow in the drainpipes.

6. Installing Sink Strainer

Remove the sink drain by loosening the nuts holding the drain flange. Once it is done, push the drain upwards in the sink. Remove the putty and other greasy materials from the area. Scrub the area clean. If there is a problem in removing, use a putty knife to scrape off the hard and dry putty.

There are a variety of basket strainers which are available in the market. Each strainer comes with its own set of instructions. Follow these instructions to install the basket strainer. Make sure to apply the putty around the sink strainer before directly installing it. Use a rubber washer first then mount the bottom part before placing the mounting nut. Tighten the mounting nut using pliers and remove the excess putty around the drain.

7. Drain Pipes and Dishwasher Installation

The flanged tailpiece is used to connect the sink strainer to the drain pipe. If you want to add a dishwasher to the same drain pipe, then use a flanged branch tailpiece. It has an additional inlet for the dishwasher waste water. This flanged tailpiece is screwed directly to the basket strainer. It is recommended to use the same tailpiece which comes with the basket strainer. Use a bit of putty around the screw that bounds tailpiece to the strainer.

Similarly, connect the dishwasher tube to the tailpiece using the pliers. It is advised to use the best PVC pipe of the right size and use plumber putty to prevent any leakage.

8. Installing Continuous Waste

It is the drain from more than two plumbing fixtures connected to a single trap. It is crucial to install the waste pipe as per the size. When installing, keep in mind that the pipe has a mid-downward slope from the sink trap to the drain. Once the waste pipe is fit, it is important that you tighten the joint slip washers.

9. Trap Installation

Finally, you need to install the tap and trap arm. It should be connected with an extension tailpiece. Cut the pipe as per the suitable length and make sure the washers are facing the right direction. Slip joint washer is not required for the joint between trap and trap arm.

Tighten all the nuts, and check for the leakage by filling up the sink with water. If there is leakage, then tighten the nuts to fix it.

It is a complete do it yourself step by step guide on how to remove garbage disposal. There are few complications in the procedure but yet not too difficult.


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