Last week, my old garbage disposal decided to give up the ghost mid-dinner prep. The grinding noise turned into a horrifying shriek before complete silence. Let’s just say cleanup was less than ideal. This experience taught me the importance of knowing how to change out an Insinkerator garbage disposal. This guide will walk you through the entire process, from disconnecting the power to installing the new unit, saving you time, frustration, and potential plumbing nightmares. You’ll learn everything needed to tackle this project confidently.
Key Takeaways
- Master the process of replacing an Insinkerator garbage disposal.
- Learn essential safety procedures for this DIY project.
- Understand the various components of a garbage disposal and their functions.
- Discover troubleshooting tips for common garbage disposal issues.
- Gain confidence in handling future plumbing repairs.
Preparing for the Replacement
This section focuses on the essential steps before you even touch the old garbage disposal. Proper preparation ensures a smooth and safe replacement. We’ll cover disconnecting power, gathering necessary tools, and understanding your specific Insinkerator model.
Disconnecting the Power
Safety first! Always disconnect the power to the garbage disposal before beginning any work. This prevents electric shock and potential injury. Locate the breaker box and turn off the circuit breaker supplying power to the disposal. Double-check that the power is off using a voltage tester.
- Turn off the power at the breaker box. This is crucial to avoid electrical shock. Failure to do so could lead to serious injury.
- Use a voltage tester to verify that the power is off. Don’t rely solely on the breaker; verify with a tester for added safety.
Gathering Necessary Tools and Materials
Having the right tools at hand streamlines the process. You’ll need a variety of tools for disconnecting, removing, and installing the new garbage disposal. This list ensures you are prepared for every step.
- Bucket: To catch any remaining water in the disposal and drain lines.
- Adjustable Wrench: For loosening and tightening various connections.
- Slip-joint Pliers: For gripping and turning hard-to-reach components.
- Screwdrivers (Phillips and Flathead): For removing mounting screws.
- Channel-lock Pliers: For securely gripping pipes and other components.
Identifying Your Insinkerator Model
Different Insinkerator models may have slightly different installation methods. Locate the model number on the unit’s identification plate. This information is crucial for finding the correct replacement parts and accessing specific instructions in the new unit’s manual.
- Locate the model number plate, usually on the bottom or side of the unit.
- Write down the model number for reference during the purchase and installation.
- Consult the Insinkerator website or manual for model-specific instructions.
Disconnecting the Old Garbage Disposal
This section details how to safely disconnect your old Insinkerator unit, preparing it for removal. This involves disconnecting plumbing, electrical, and mounting components carefully and methodically. We’ll explore each step in detail.
Disconnecting the Plumbing
Carefully disconnect the plumbing lines—both the drain and the water supply lines. This usually involves loosening clamps or nuts with wrenches. Prepare a bucket to catch any remaining water.
- Place a bucket under the disposal to catch any remaining water.
- Disconnect the drainpipe from the garbage disposal’s output.
- Disconnect the water supply lines (hot and cold) from the disposal.
- Carefully remove any retaining rings or clamps securing the drain and water connections.
Disconnecting the Electrical
With the power already switched off, disconnect the electrical wires from the garbage disposal. Carefully label the wires before disconnecting them to ensure correct reconnection when installing the new unit. A simple diagram or photograph can be extremely helpful.
- Disconnect the power cord. Carefully unplug the power cord from the electrical outlet or junction box.
- Take pictures or make a diagram. This step is essential for remembering how to reconnect the wires later.
- Label the wires clearly. Indicate which wire connects to which terminal using masking tape or a marker.
Removing the Old Unit
Once the plumbing and electrical connections are disconnected, you can remove the old Insinkerator unit from its mounting bracket. This usually involves removing a few screws or clamps that secure the unit to the sink.
- Remove the mounting screws or clamps securing the unit to the sink.
- Gently lower the unit from the sink. It may be heavy, so have a helper if needed.
- Inspect the mounting bracket for damage or corrosion.
Installing the New Garbage Disposal
This section provides a step-by-step guide to installing the new Insinkerator garbage disposal. This involves reconnecting the plumbing, electrical, and mounting components. Ensure the steps are done carefully and correctly. We’ll cover the mounting process and then the reconnections.
Mounting the New Unit
Carefully install the new unit using the provided instructions. This process usually involves aligning the unit with the mounting bracket and securing it with screws or clamps. Refer to the manufacturer’s instructions.
- Carefully align the new unit with the mounting bracket under the sink.
- Secure the unit using the screws or clamps provided.
- Ensure that the unit is securely fastened to prevent movement or vibration.
Reconnecting the Plumbing
Reconnect the plumbing lines, ensuring all connections are tight and secure to prevent leaks. Tighten the clamps or nuts gradually to avoid damage. Test for leaks after connecting everything.
- Reconnect the drainpipe to the garbage disposal’s output.
- Reconnect the water supply lines (hot and cold).
- Tighten all connections securely, but avoid over-tightening.
- Check for leaks by running water through the disposal.
Reconnecting the Electrical
Reconnect the electrical wires using your diagram or photograph as a guide. Ensure that the wires are correctly connected to the corresponding terminals. Always double-check your work before turning on the power.
- Reconnect the electrical wires according to your diagram or photograph.
- Ensure all wire connections are secure and tight.
- Double-check all connections before turning on the power.
Testing and Troubleshooting
This section provides important information on testing the newly installed garbage disposal and troubleshooting common issues. It is crucial to test the system and know what to do in the event of problems. We’ll discuss what to look for and potential solutions.
Testing the New Disposal
After reconnecting everything, turn the power back on at the breaker box. Run the garbage disposal with water to test its functionality. Listen for any unusual noises and check for leaks.
- Turn on the power at the breaker box.
- Run cold water and test the disposal with small amounts of food waste.
- Listen carefully for any unusual noises or vibrations.
- Check under the sink and around the disposal for any leaks.
Troubleshooting Common Problems
If you encounter any issues, this section offers guidance on troubleshooting common garbage disposal problems. Addressing these issues promptly can prevent further damage.
| Problem | Possible Cause | Solution |
|---|---|---|
| Disposal won’t turn on | Power not restored, tripped breaker, faulty wiring | Check breaker, test wiring, reset breaker |
| Disposal hums but doesn’t grind | Jammed motor, foreign object | Check for jams, reset the disposal |
| Disposal leaks | Loose connections, worn-out seals | Tighten connections, replace seals |
Debunking Common Myths
Let’s address some common misconceptions about garbage disposals.
- Myth 1: You can put anything down the garbage disposal. Many items, such as bones, fibrous materials, and grease, can damage the disposal.
- Myth 2: A garbage disposal eliminates the need for a trash can. While it handles food scraps, you still need a trash can for other waste.
- Myth 3: Garbage disposals are always difficult to repair. While sometimes requiring professional help, many issues can be fixed with basic DIY knowledge and tools.
FAQ
What if I accidentally break something during the process?
If you accidentally damage a pipe or other component, immediately turn off the water supply and contact a qualified plumber. Attempting further repairs without expertise could worsen the situation.
How often should I replace my garbage disposal?
The lifespan of a garbage disposal varies depending on usage and maintenance, but most last between 8-15 years. Signs of wear include increased noise, slow grinding, or leaks.
What type of garbage disposal is best for my needs?
Consider your household’s waste generation and sink configuration. Insinkerator offers various models with different horsepower and features. Consult their website or a plumbing professional for advice.
Can I use a garbage disposal with a septic system?
Garbage disposals can be used with septic systems, but it’s important to use them properly and avoid overloading the system. Consult a professional to determine if it’s suitable for your specific system.
What should I do if my disposal smells bad?
A foul smell often indicates a buildup of food waste. Use a specialized cleaning solution or baking soda and vinegar to clean and deodorize the disposal. Ensure proper ventilation.
What are the benefits of using an Insinkerator garbage disposal?
Insinkerator disposals are known for their durability and performance. They efficiently grind food waste, reducing odors and the need for frequent garbage removal.
Are there any warranty considerations?
Always check the warranty provided by Insinkerator. Understanding warranty coverage protects your investment and provides recourse if issues arise during the warranty period.
Final Thoughts
Replacing your Insinkerator garbage disposal might seem daunting, but following these steps systematically makes the process manageable. Remember to prioritize safety by disconnecting the power before starting. Having the right tools and understanding the steps will greatly increase your success rate. By taking your time and double-checking each connection, you’ll be able to efficiently and safely handle this DIY project. Now that you’ve mastered how to change out an Insinkerator garbage disposal, you can confidently tackle future plumbing repairs.