5.0 ★★★★★1,100+ reviews on Google, Angi, Yelp, the BBB and Facebook. Pick your day and time online.5.0 ★★★★★ 1,100+ reviewsBook Online
Open 24/7 for emergencies5.0 stars, 1,132 reviews
Residential
Service Areas
(703) 997-9757CallBook Online
MenuClose
Heating
Air Conditioning
Plumber
Drains & Sewers
Water Heater
Duct & Dryer Vent Cleaning
Price Estimators
Offers
About Us
Service Areas
Commercial
Call (703) 997-9757Book Online

Open 24/7 for emergencies

Video · Plumbing Pipes, Faucets and Disposals

How to Replace a Garbage Disposal, From Mounting Ring to Leak Test

To replace a garbage disposal: cut the power, remove the old unit, mount the new one to the sink flange, reconnect the drain and power, then run water and look for leaks. The leak test is the step people skip.

Call (703) 997-9757

5.0 stars across 1,132 reviews

Get your price in writing

Send this and the office calls or texts you back to set a time.

This field is for validation purposes and should be left unchanged.

We’ll call or text this number about your request. By sending it you agree to our terms and privacy policy.

Rather talk now? (703) 997-9757

Licensed and insuredVirginia Class A contractor #2705192276

24/7 emergency serviceOften same-day, and we will tell you honestly when we can get there.

Our own plumbers, our own trucksNobody here is a subcontractor with a magnet on the door

The price is settled before the workYou see the number in writing before anything is taken apart

What you’re seeing in this video

A SwiftPro tech in a black beanie, safety glasses and shoe covers kneels on a drop cloth under a kitchen sink. Numbered steps on screen track where he is in the job.

He lifts the new disposal up to the mounting ring, the metal collar hanging under the sink drain, and turns it until the tabs lock. That twist-lock carries the weight of the motor and keeps the seal tight against the sink.

Then the water goes on, and he checks the connections under the sink for drips before calling it done.

Job footageSwiftPro
Topic
Plumbing Pipes, Faucets and Disposals
Length
0:30
Posted
September 16, 2026
Shot by
The SwiftPro crew, Northern Virginia

Why it matters in your house

  • If the old disposal is the same brand, the existing mounting ring often works. A different brand usually means replacing the flange too, which means breaking the seal at the sink.
  • Hooking up a dishwasher? Knock out the plug inside the new disposal's dishwasher inlet first, or the dishwasher backs up on its first run.
  • Check under the sink a day later with a dry paper towel. Slow drips at the flange or drain elbow show up overnight, not in the first minute.

Can I replace a garbage disposal myself?

If you're handy with basic plumbing and the unit plugs into an outlet, plenty of people can. The tricky parts are a new sink flange, a hardwired unit, and lining up the drain so it slopes right. If the old one leaked at the sink, or the switch or outlet acts up, it's worth having a plumber do it.

Want it done at your place? See Plumbing Pipes, Faucets and Disposals at SwiftPro or call (703) 997-9757.

More videos from the SwiftPro crew

Pipe types explainer: a tech with long hair runs copper past a home bar, a tech in a SwiftPro cap works at a PEX and brass manifold with copper on the floor, and CPVC pipe in an open wall chase.0:37PEX vs Copper, and Why Some Plumbing Pipes Are WhiteCopper pipe replacement in a basement: a tech fits new copper water lines overhead, then cuts old pipe with a Milwaukee saw throwing sparks, near a water heater area.0:32Replacing Old Pipes: New Copper Overhead, Old Line Cut OutGarbage disposal replacement under a kitchen sink: a tech in a black hoodie removes the old disposal into a blue parts bin on drop cloths, with the new disposal box and tools on the floor.0:30How Does a Garbage Disposal Work? Swapping One Under the SinkSkit about strange sounds: a tech in a black beanie runs water into a kitchen sink disposal, a tech in a gray cap digs out a buried sewer pipe and cleanout in a yard trench, and two techs work at an A0:20Strange Plumbing Noises That Sound Like HVAC, and Where to LookA kitchen faucet drips into a stainless sink on a granite countertop, with the caption the faucet is dripping.0:13Why Is My Faucet Dripping? A Kitchen Drip That Sounds Like a BeatA plumbing compilation: a tech in a black beanie works under a kitchen sink near a disposal with a Milwaukee Fuel tool, a yard cleanout pipe with a drain snake in a dirt bed beside a house, and water 0:39Pipe Replacement Under the Sink and Out at the Yard Cleanout

See all 234 SwiftPro videos

Want this done at your house?

Rather pick the day yourself? Book online.

Call (703) 997-9757 Get your price in writing

SwiftPro Heating, Cooling & Plumbing
4230 Lafayette Center Dr N, Chantilly, VA 20151
44679 Endicott Dr, Suite 211, Ashburn, VA 20147
Virginia Class A contractor license #2705192276

Call Now Book Online
5.01,132 reviews