How to Remove a Garbage Disposal and Replace with Pipe (Step-by-Step DIY Guide)

To permanently remove a garbage disposal, turn off the power, disconnect the drain and dishwasher line, remove the unit and flange, then install a standard drain pipe with a P-trap. This guide walks you through each step — tools, costs, and safety included.

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how to remove a garbage disposal and replace with pipe

Want to learn how to remove a garbage disposal and replace with pipe? Whether your unit is leaking, unused, or just in the way, this guide will walk you through each step — from disconnecting the disposal to installing a simple drain pipe system.

Why Remove Your Garbage Disposal?

Reasons homeowners remove garbage disposals:

  • It leaks or clogs frequently
  • The motor failed
  • Going for a simpler, traditional drain setup
  • Reducing plumbing maintenance

Cost to Remove a Garbage Disposal and Replace with Pipe

ItemEstimated Cost
Drain pipe kit (tailpiece + P-trap)$15–$30
Plumber’s putty$3–$6
Basic tools (if needed)$0–$30
DIY Total$20–$60

Professional plumber cost: $100–$250

Tools & Materials You’ll Need

tools to remove garbage disposal and replace with pipe
Tools needed to remove a garbage disposal

Tools:

  • Adjustable wrench
  • Screwdrivers
  • Bucket
  • Pliers/channel locks
  • Garbage disposal removal wrench
  • Utility knife
  • Towel/sponge

Materials:

  • Sink drain flange & tailpiece
  • P-trap assembly (PVC or metal)
  • Plumber’s putty
  • Optional: dishwasher branch tailpiece

Safety First: Shut Off Power and Water

  • Power: Unplug the disposal or shut off power at the breaker.
  • Water: Place a bucket under the sink and turn off water if needed.

Step-by-Step: How to Remove Garbage Disposal from Sink

removing garbage disposal under sink
Loosening mounting ring of garbage disposal

1. Disconnect Drain Pipe

  • Use pliers to loosen the drain pipe and remove it.
  • Catch water in a bucket.

2. Disconnect Dishwasher Hose

  • If connected, loosen the clamp and remove the dishwasher drain hose.

3. Remove the Garbage Disposal Unit

  • Insert a garbage disposal wrench or screwdriver into the mounting ring.
  • Turn counterclockwise to release the unit.
  • Carefully remove the disposal.

Tight on space? Use a compact ratchet tool or flex-head wrench.

How to Remove Garbage Disposal Sink Flange

how to remove garbage disposal sink flange
Pushing sink flange through top

4. Detach the Sink Flange

  • Unscrew mounting hardware from below.
  • Push the flange up through the sink.

5. Clean the Sink Opening

  • Scrape away old plumber’s putty.
  • Wipe the sink surface clean and dry.

Install New Sink Drain and Pipe

install sink drain pipe after garbage disposal removal
New drain pipe and P-trap connected

6. Install Sink Drain Flange

  • Apply plumber’s putty under the new flange.
  • Insert and secure it from underneath with the mounting nut.

7. Install Drain Tailpiece and P-Trap

  • Attach the tailpiece to the drain flange.
  • Connect the P-trap to the tailpiece and wall drain.
  • Optional: connect dishwasher to branch tailpiece.

Final Checks: Leak Test

  • Turn on water and let it run.
  • Check all joints for leaks.
  • Tighten connections if needed.

Troubleshooting

IssueSolution
No room under sinkUse slim tools or removal wrench
Stuck flangeTap gently with rubber mallet
Leaky jointReseal with plumber’s tape
Dishwasher hose needs routingUse branch tailpiece

FAQs

How much does it cost to remove a garbage disposal and replace with pipe?

DIY: $20–$60
Pro: $100–$250

How to permanently remove a garbage disposal?

Disconnect power, remove drain lines and unit, install a basic drain pipe system.

How to replace garbage disposal plumbing?

Use a tailpiece and P-trap instead of the disposal, connect to wall drain.

Can I remove a garbage disposal myself?

Yes! With basic tools and this guide, it’s a beginner-level plumbing job.

Conclusion

Now you know exactly how to remove a garbage disposal and replace with pipe — quickly, safely, and without a plumber. It’s a simple DIY job that brings your sink back to basics.

Want to replace the disposal instead? Check our full guide on how to replace a garbage disposal.

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Al Borland home improvement specialist at Home Revista, offering expert advice on home services, safety, efficiency, outdoor living, storage, cleaning, and real estate. With a passion for functional, sustainable, and beautiful homes, Al provides practical solutions and inspiring ideas to help homeowners build smarter and live better.
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