What kind of drain do I need for a garbage disposal?

When purchasing a drain to be used with a garbage disposer look for a disposer flange with stopper. These drains do not have a basket so food can easily be washed down the sink into the disposer. The stopper is used to block off the disposer and/or hold water in the sink.

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What drain is needed with a garbage disposal?

Many garbage disposals will require a new sink drain flange, which consists of the metal disk at the drain entrance at the bottom of the sink as well as a short length of pipe that extends below the sink, where the drain attaches.

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How should a garbage disposal be plumbed?

How to install a garbage disposal and how it all works together. If you have a double sink, the best way to plumb a disposal is to run its discharge tube directly to a tee below the opposite sink. The tube must drop about 1/4 in. in order to drain properly.

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What size drain is needed for a garbage disposal?

All garbage disposals are made to fit all kitchen sinks since all kitchen sinks have standard drain hole sizes of 3.5 to 4 inches.

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Where does a garbage disposal drain go?

The grind ring breaks down the food waste into very fine particles, virtually liquefying them. After they're ground, the running water flushes the particles through the grind ring and out of the disposer and into your waste water pipe. From there, it flows to a waste water treatment plant, or your septic system.

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How To Install a Garbage Disposal

42 related questions found

Does a garbage disposal need to be higher than drain pipe?

The drain into the wall needs to be below that of the disposal and sink, there's no way to beat gravity with this. Your options are to: Raise the disposal output (with a different disposal) Raise the sink (with a different, shallower sink, or at least a shallow drain for the disposal)

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Is it difficult to install a garbage disposal?

You can absolutely install your own garbage disposal, and the mechanically inclined homeowner should only take about an hour to complete the task. If you're taking on this task, try and locate a new disposal that is the same brand and as close to the same model as the one you currently have.

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Do I really need a garbage disposal?

Garbage Disposal Importance

Having a garbage disposal unit installed in your home is a great idea, any plumber would highly recommend doing so because it is an effective way to deal with common kitchen waste such as uneaten food by shredding them into small pieces. As a result they can easily pass through plumbing.

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Can you run the garbage disposal with water in the sink?

Why Does it Work? Simple: Running water helps flush food particles through the garbage disposal, into the trap and down your waste pipes without gumming up the moving parts. It's like swallowing an aspirin with a mouthful of water. It's not technically necessary, but it sure makes things go down easier!

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Can you install a garbage disposal in a single drain sink?

The short and simple answer to this question is yes, you can install a disposal unit in a single bowl sink. In fact, installing a garbage disposal in a single bowl sink is much easier than installing one in a double sink.

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Does a garbage disposal have a drain?

The waste line connector is in the lower hopper chamber. It's the last section food travels through before exiting into your plumbing. When ground-up food falls through the shredder ring, it enters the opening in the waste line connector and flushes out of the disposal and into a drainpipe.

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What size is a standard drain hole?

A standard sink hole is 1-½” in diameter and will accommodate most lavatory drains. This information is listed with drain products. Drains can be purchased with or without overflow openings.

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Should garbage disposal be on deep or shallow sink?

There is a significant advantage to installing the garbage disposal on the shallow side. This places the unit up higher under the sink and leaves more clearance under the disposal.

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What are the two types of garbage disposals?

The two primary types of garbage disposals are batch feed and continuous feed disposals.

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Do you need a special sink to install a garbage disposal?

No. A garbage disposal can be installed with both a single bowl sink or a double bowl sink, this is a personal preference.

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What is the best and easiest to install garbage disposal?

The InSinkErator Garbage Disposal + Air Switch is our top pick for the best garbage disposal with air switch thanks to the high-powered design and easy-to-install built-in power cord.

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What do I need to install a garbage disposal for the first time?

In addition to an appropriate garbage disposal, you'll need the following equipment to complete the installation:
  1. A screwdriver.
  2. A disposer wrench.
  3. A hacksaw.
  4. Water pump pliers.
  5. Plumber's putty.
  6. Electrical cord.
  7. Safety supplies, including goggles and a dust mask.

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Will a garbage disposal clog pipes?

Garbage disposals, when used properly, do not clog your drain. However, the problems arise when you put items down your garbage disposal that shouldn't go down.

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What is the difference between drain pipe and waste pipe?

Basically: Soil Pipes are designed to transport the soiled water (blackwater) from your toilet, urinal, or bidet (if you're fancy). Waste Pipes are designed to transport the wastewater (greywater) from your sinks, shower, bath, washing machine, or dishwasher.

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Why do you have to run water with the garbage disposal?

Your garbage disposal works in tandem with your home's plumbing system to get rid of food scraps. If you don't run water down the drain while you run your garbage disposal, there's nothing to help move those ground-up food scraps along through the pipes. Instead, the food will accumulate and potentially form a clog.

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Why is garbage disposal a problem?

Improper waste disposal is a contributor to excess gases entering the atmosphere and causing these problems. The breakdown of the waste releases gases like methane, which is a major factor in global climate change.

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What can't go down a garbage disposal?

Shells, nuts, and vegetable peels.

The little bits can dull the blades and clog the machinery, causing the food disposal to malfunction. You should also avoid eggshells, nuts, vegetable peels, fruit cores and pits, and corn husks and cobs.

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What's the difference between a garbage disposal and an InSinkErator?

On average, a Waste King garbage disposal reaches an RPM of 2,500 while an InSinkErator disposer only reaches a maximum of 1725 RPM, which is 30% less than the Waste King. Though InSinkErator offers some models with multiple grinding stages to make up for this disadvantage.

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