How Long Does It Take To Install a Garbage Disposal?

A garbage disposal is an easy-to-use kitchen appliance to dispose of food waste and keep the kitchen sink clean.

If you are going to buy a garbage disposal, it is pretty obvious to come to mind some questions such as how much it cost, and how long does it take to install a garbage disposal? Installation of the garbage disposal is not a lengthy process. It is a relatively simple process that can be done by following some simple steps.

If you follow the steps from this guide, it will take only 1-2 hours to complete the installation task.

How Long Does It Take To Install a Garbage Disposal?

How Long Does It Take To Install a Garbage Disposal

By installing a garbage disposal in the kitchen, you can quickly upgrade your kitchen. Before starting the installation process, you should have all the necessary tools and the manufacturer’s instructions.

The actual installation time of any garbage disposal is 1-2 hours. But this time may vary as per your expertise and the complexity of the installation. If you need to do any additional task such as repairing plumbing, the installation time will increase.

It is important to take care of the installation instruction and do the plumbing and electrical work of the installation carefully.

How To Install a Garbage Disposal?

install garbage disposal

To install a garbage disposal, you need some tools. Here is the list of the required tools.

  • Screwdriver
  • Pliers
  • Hacksaw
  • Adjustable wrench
  • Plumber’s putty
  • Safety equipment

Step 1 – Read Instructions Carefully

Take out the disposal from the box. You can read the instructions manual for the installation for better understanding. Also, in the instruction manual, you will see the names of the different parts of the disposal.

Check disposal has any power cord or not. Some disposals come without a power cord. If there is no power cord, first you need to connect a power cord to the disposal.

At the bottom of the disposal, there is a cover on the power supply port. Remove it and connect the power cord to it. Match the color of the wire and connect the same color wires.

Step 2 – Start The Installation

Now disposal installation begins. Clear the drain pipe to install the disposal. Remove the sink flange nut and push the strainer body through it.

Step 3 – Remove Sink Flange

To install the garbage disposal, you need to remove the sink flange. You are a lucky person if the disposal installs in your current sink flange.

Insert the sink drain flange into the sink drain hole and press down it gently. Proper tight the nut of the flange so it fits evenly.

Step 4 – Attach Its Parts

Now go the beneath the sink and attach the rubber gasket, mounting ring, and backup ring. It will make the sink drain flange leak-free.

Remove the mounting ring from the flange and make sure it will not damage the rubber gasket.

Step 5 – Make Watertight Seal

Now you need to put the plumber’s putty on the sink drain evenly. Take a rubber gasket and align it between the flange and the mounting ring. Tighten the mounting screws to fit the rubber gasket.

This rubber gasket will make a watertight seal so there will no leakage problem in the feature. Ensure the rubber gasket ring is above the ring groove so it perfectly fits into its place and creates a leak-free connection.

Step 6 – Connect Disposal

Now it’s time to connect the disposal. Take the disposal in your hand and take it near the mounting ring. Before fixing the disposal, turn the disposal outlet face towards the sink drain pipe.

Most disposals lock themselves in their place by just twisting. It makes installation easy. Attach the disposal to the mounting ring and turn it in a clockwise direction.

You can use a screwdriver or disposal wrench into the mounting bracket to make the disposal tight in its place. Turn the disposal clockwise until you hear a click sound. This sound is assurance that disposal is installed properly.

Step 7 – Connect Outlet Pipe

Now connect the disposal outlet pipe to the sink drain. For this, you can use a PVC P-trap pipe. Take a power cable and connect it to the power cord. Run the disposal to check whether it is working properly or not.

How To Install a Garbage Disposal?

Can I Install Garbage Disposal Myself?

Yes, you can install a garbage disposal by yourself. As you can see, we have shown all the steps in the detail and all these steps are simple to follow. Without taking the help of any plumber, you can install the garbage disposal.

Frequently Asked Questions

Is It Hard To Install a Garbage Disposal?

Installation of the garbage disposal is not hard. If you have basic knowledge of plumbing and if you read the instruction manual carefully, you can easily install it. When you do an electrical connection to the garbage disposal, use proper safety precautions.

Are All Garbage Disposals Fit In All Sinks?

In the market, there are different garbage disposals. All garbage disposals do not fit in all sinks. Their size and installing parts decide that will they fit in your sink or not.

How Much Should Labor Cost to Install a Garbage Disposal?

The cost of installation of garbage disposal is range between $50-$200. This cost may vary according to the complexity of the installation process, the area where you live, and the plumber service you hire.


With proper tools and the right method, installation of any garbage disposal becomes easy. You just need to follow all the steps in this article for easy installation. So, now you know how long does it take to install a garbage disposal.

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