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How to replace a garbage disposal

How to Replace a Garbage Disposal | 6 Easy Steps

Replacing a garbage disposal can seem like a daunting task, but with the right tools and a little knowledge you can complete this job yourself. Whether you’re dealing with a malfunctioning unit or upgrading to a more efficient model, this guide will help you navigate the process with ease. In this article, we will go through how to replace a garbage disposal, covering everything from selecting the right model to installation and troubleshooting.

What Is a Garbage Disposal?

A garbage disposal is an essential appliance in most kitchens, designed to shred food waste into smaller pieces, which are then washed away through the plumbing. Over time these units can wear out, jam or become inefficient. Knowing replacing a garbage disposal is a valuable skill for homeowners who want to keep their kitchen running smoothly.

If you want to learn how a garbage disposal works, please read our article “How Does a Garbage Disposal Work” to understand its full mechanism.

Is It Easy to Replace Garbage Disposal?

Many people wonder, “Is it easy to replace garbage disposal?” The answer is yes, with the right tools and a bit of patience, it can be a straightforward DIY task. In this article, we will provide detailed instructions and tips to help you with changing garbage disposal and removing any obstacles that may arise during installation.

Tools Needed to Replace a Garbage Disposal

Before you get started, gather the essential garbage disposal tools needed for the job. Here’s what you’ll need:

  • Pipe Wrench or Adjustable Wrench: For loosening plumbing connections.
  • Screwdriver: To remove screws holding the disposal unit in place.
  • Plumbing Tape: To seal any joints and prevent leaks.
  • Bucket or Pan: To catch any water or debris when removing the disposal.
  • Garbage Disposal Drain Connection Kit: Includes parts for connecting the new disposal to your existing plumbing.
  • Work Gloves: To protect your hands from sharp edges and debris.
  • Plumbing Snake (Optional): In case of clogs.

Steps to Remove and Install New Garbage Disposal

Step 1: Turn Off the Power and Water
Turn Off the Power and Water

Before doing anything, ensure the power and water supply are turned off. Unplug the garbage disposal or turn off the circuit breaker to avoid any electrical hazards. Also, turn off the water valve to prevent flooding when you start removing the garbage disposal drain pipe.

Step 2: Disconnect the Garbage Disposal
Disconnect the Garbage Disposal

Start by disconnecting the garbage disposal drain connection. This typically involves:

  • Loosening the plumbing connections from the disposal.
  • If your disposal is connected to a dishwasher, you will need to disconnect the dishwasher hose as well.
  • Removing the disposal mounting bracket by turning it counterclockwise to release the unit.

If you’re wondering, “How to remove garbage disposal flange?” now is the time to detach it carefully from the sink. Be sure to keep any screws or parts that might be reused.

Step 3: Remove the Old Disposal
Remove the Old Disposal

Once the connections are detached, you can remove the garbage disposal flange and lift the unit from its position under the sink. You may need to wiggle it a bit to free it from the mounting bracket.

Step 4: Install the New Garbage Disposal
Install the New Garbage Disposal

Now comes the fun part installing the new garbage disposal. Follow these steps:

Attach the New Flange

To begin, you’ll need to install the garbage disposal flange onto the sink. This involves placing the new flange into the sink hole, securing it with screws, and applying plumber’s putty around the base to prevent leaks.

Install the Mounting Bracket

Attach the mounting bracket to the new garbage disposal. The mounting bracket is essential for securing the disposal in place. Be sure to follow the manufacturer’s instructions for this step.

Connect the Plumbing

Now it’s time to hook up the plumbing. Attach the garbage disposal drain pipe installation to the disposal unit and the sink drain. Ensure the connections are tight by using your adjustable wrench.

Connecting the Dishwasher (Optional)

If you’re installing a new garbage disposal with a dishwasher, you will need to connect the dishwasher hose to the new unit. Look for the dishwasher inlet on the disposal and use a hose clamp to secure the connection.

Install the Knockout Plug for Garbage Disposal

Some garbage disposals come with a knockout plug for the dishwasher connection. If you’re not using the dishwasher connection, you’ll need to remove this plug. You can do this by tapping it with a hammer and screwdriver to knock it out.

If you’re having trouble with garbage disposal installation, check out our in-depth article on garbage disposal installation where everything is explained step by step in a simple way.

Step 5: Secure the Garbage Disposal

Once everything is connected, you can attach the garbage disposal to the sink by twisting the unit into place on the mounting bracket. Tighten all screws and bolts to ensure a secure fit.

Step 6: Reconnect the Power and Test the Unit

Now that everything is in place, reconnect the power and turn the water back on. Test the new unit by running water through the disposal and turning it on to ensure it’s working correctly.

How Long Does It Take to Replace a Garbage Disposal?

On average, changing a garbage disposal unit can take between 1 to 2 hours, depending on your familiarity with the process. If you have never installed a sink disposal before it might take a bit longer but it’s entirely manageable as a DIY project.

Troubleshooting Common Issues

Even with the most careful installation, you may run into some problems. Here are a few common issues and their solutions:

    • Leaks: Ensure all plumbing connections are tight. Reapply plumbing tape if necessary.
    • Power Issues: Double check the wiring and connections to make sure the garbage disposal switch is correctly installed and connected to power.
    • Jamming or Slow Performance: If the disposal isn’t working correctly check for blockages and clear them out. Sometimes the disposal needs to be manually rotated to dislodge debris.

If your garbage disposal is blocked or not working properly, read our blog “How to Unjam a Garbage Disposal” for helpful tips.

What Are Garbage Disposal Replacement Parts?

When replacing your garbage disposal, you may need additional parts, such as:

  • Mounting kits: For attaching the disposal to the sink.
  • Garbage disposal drain connection kits: For ensuring a tight seal.
  • Replacement blades: If you’re repairing an old unit.
  • Knockout plugs: For blocking off unused connections.

Conclusion

Replacing a garbage disposal is a rewarding task that can save you both time and money. By following this step by step guide on how to replace a garbage disposal, you can ensure a smooth installation process. Always remember to turn off the power and water before starting the job, and take your time with each step. Whether you are installing a Badger garbage disposal or any other brand, this DIY guide will help you achieve a professional looking result.

Need help with your garbage disposal? Derks Plumbing offers fast and reliable garbage disposal installation and repair in Eagle Rock and surrounding areas. You can call us today to book a service.

Frequently Asked Questions (FAQs)

How Do I Replace a Badger Garbage Disposal?

To replace a Badger garbage disposal, follow the same steps mentioned in this guide. Ensure the new Badger unit is compatible with your existing plumbing and mounting system.

How to Install Garbage Disposal with Dishwasher?

To connect a garbage disposal to a dishwasher, you’ll need to remove the knockout plug for garbage disposal and attach the dishwasher hose to the disposal’s inlet.

How Long Does It Take to Install a Garbage Disposal?

It typically takes about 1 to 2 hours to install a garbage disposal. However, your experience level and the complexity of your plumbing setup may influence the time.

Can I Replace a Garbage Disposal Myself?

Yes, replacing a garbage disposal is a manageable DIY project. With the proper tools and instructions, you can complete it successfully.

How to Install a Garbage Disposal Switch?

To install a garbage disposal switch, you will need to wire it into your electrical system and mount it where it’s easily accessible.

How to Install a Badger 5 Garbage Disposal?

The process of installing a Badger 5 is similar to other garbage disposal units. Ensure it’s securely mounted to the sink, and the plumbing is tightly connected.

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