How To Replace Garbage Disposal?

How to replace garbage disposal

In this post, I will be discussing how to replace garbage disposal so read on..

Garbage disposal is a handy device that can help you get rid of food scraps, but it’s not the most efficient way to do so. If you find yourself getting frustrated with your current unit or are simply looking for an upgrade, this blog post will show you how to replace your garbage disposal.

How To Replace Garbage Disposal?

It’s more than just a clunky kitchen appliance. The garbage disposal is the unsung hero of the modern kitchen. It makes easy work of leftover food and prevents it from spoiling in your sink, which can create an unpleasant odour.

But there are many reasons why you might need to replace your garbage disposal: age, damage from a power outage or animal intrusions into your plumbing system, or simply because you want a new color for that space on your countertop! There are several options when it comes to replacing garbage disposal so let’s look at them one-by-one

DIY Installation

This is the most popular method of replacing the garbage disposal. Many home repair retailers also offer installation services, but if you’re interested in saving some money then this is something you can easily do yourself. If you’re familiar with home appliances and plumbing systems, then this might be your best option.

Before getting started, make sure that the old unit is disconnected from the electrical supply. Also, turn off the water supply under your sink (you can find this shutoff valve near your faucet).

Now you’re ready to begin removing your old garbage disposal.

There are two main types of mounting tabs on most garbage disposals: screw-in mount and clip-on mount. Screw-in mounts require either an extra-long screwdriver or hex key (also known as Allen keys) to remove them; once removed, a new installation is simply a matter of tightening new screws into place with firm hand pressure.

A grip ring fits around the mouth of your sink drain outlet hole – be sure to use one if your sink is not stainless steel.

Clip-on mounts are simpler to remove and replace, but they require a little more force to be applied once the disposal is fully seated against the drain. Once you’ve successfully replaced your old unit with a new one, tighten any retaining screws or bolts, connect the water supply back under your sink, and turn on both the electricity and water supplies under your sink.

When everything has been checked for leaks and proper functioning, you may begin using your new disposal!

Starter Kit Installation

If replacing old garbage disposal seems daunting to you – maybe because of its age or previous damage – then consider purchasing a starter kit instead. Starter kits generally include all the tools that you will need for installation as well as step-by-step guides.

Most of these kits are pretty straightforward to install but follow the manufacturer’s instructions carefully. It might be helpful to have a second set of hands when you’re moving heavy components around under your sink. And remember roll up your sleeves! You’ll need to get down and dirty to make sure that everything installs properly with no leaks along the way.

Wait – I Can’t Find My Old Unit?

If you’ve taken apart your cabinet beneath your kitchen sink and can’t find old garbage disposal, then this is very likely because it was never installed in the first place! If you or someone before you had decided not to connect a drain pipe to it, then your unit is sitting useless on the other side of the wall.

Inexpensive units are often disassembled during manufacture so that they will fit into small boxes for shipping. If this is the case then you might have luck finding an installation manual online or contacting customer service at your retailer who sold it to you – some retailers may even replace lost manuals for free!

If none of these options work, then unfortunately there’s much else you can do but buy a new unit and start over with installation. You can always save money by reusing any hardware or pipes from the previous installation. But if you need further assistance contact a professional plumber who can offer advice on how to.  

So whether it’s an older version you need to replace or a new one for your brand-new kitchen, installation is definitely something that almost anyone can do themselves! Just make sure that you know what you’re looking for before you go shopping.

Can I replace a garbage disposal myself?

The answer is yes! Anyone who can turn a screwdriver and follow instructions can easily install or repair a garbage disposal.

Installation works best when you know what you’re looking for – if it’s your first time dealing with plumbing, then maybe call in a pro to help out before trying it yourself (or at least check the manual). The process need not be difficult; it just takes patience and attention to detail.

Some helpful tools include:

  • If you don’t have one already, invest in a sink strainer: It will save you lots of hassle over the years. A small investment now will keep your new unit happy!
  • Replacement manuals: You should find these either online or include with your starter kit. Most units come with a full set of instructions.
  • Rubber gloves & eye protection (and maybe some long sleeves if you’re wary of getting scratched!)

The installation itself is very simple and will not take more than an hour to complete, even for a first-time do-it-yourselfer. If you are replacing an old unit with the same model, the only tool needed is usually a screwdriver.

A new unit might require that you purchase additional tools depending on how your home is laid out or if you simply need to replace worn parts.

There are typically three ways of connecting your dishwasher drain line to your garbage disposer: using a dishwasher elbow and drain line, using a dishwasher drain line adapter and pipe coupling or just attaching the garbage disposal directly to the dishwasher drain line.

We’ll outline how to complete each installation below:

Installing a dishwasher elbow and drain line:

  • First check that your garbage disposal is compatible with your home’s plumbing setup. If you aren’t sure what type of connection your unit requires, check out the manual for instructions – usually there will be specific instructions on which size and type of coupling or connector to use (whether it’s an inlet-side or outlet-side connection). Allow manufacturers’ recommendations to serve as a guide when selecting connectors and couplings. Often times though, these connections are pretty basic and universal.
  • You will need to remove dishwasher drain line from the garbage disposal unit. Unscrew the connection point of your dishwasher drain line and disconnect it from your garbage disposal – use an adjustable wrench to loosen any coupling or connector you might be using.
  • Attach your choice of dishwasher elbow or adapter to the end of your dishwasher drain line. Follow manufacturers’ instructions for proper installation here.
  • For example, install a 90 degree elbow onto the end of your drain line if you are connecting directly with a simple clamp-style connection or with a hose clamp around the top if adapting to fit an outlet side connection.
  • Connect one end of the dishwasher elbow/adapter into the opening on your kitchen sink where you plan to install your new garbage disposal. Tighten the connection with a wrench.
  • Connect the other end of your dishwasher elbow/adapter to your garbage disposal unit, tightening any coupling or connector that you may be using as well as the connection point on top of your garbage disposal unit.
  • Test out the installation by running water from your sink faucet and making sure there is no leaking from anywhere in between connections.

If everything has been installed correctly, you should have a steady stream of water coming out of both openings – make sure you run cold water through this process too (the coldest setting on the faucet).

How long does it take to replace a garbage disposal?

To properly replace a garbage disposal, you will need to consider the time and effort it will take to remove and replace your old unit with a new one.

Typically this task will take an hour or less. You can do it yourself installation in less than 30 minutes – if you are replacing an old unit (not building a new home), reusing old parts such as plumbing connections. If you don’t know what type of connection your garbage disposal uses, measure or draw out your pipes before choosing which connector/coupling works best for you. It should be pretty basic though!

If the idea of doing this yourself still sounds daunting, there are companies that offer complete garbage disposer installment services for around100 on average. This includes basic cleanup and removal of the old unit. You’ll typically need to purchase your own new garbage disposal though – plan on spending around100 for a 3/4 horsepower unit that will adequately handle all food scraps in your kitchen.

When installing a garbage disposal, it’s important to consider everything from plumbing and garbage disposal type to power consumption and drainage space so you can choose the right product for your home setup.

Once you have installed a new garbage disposer, start using it regularly since this is when you will begin noticing any problems such as leaks or bad smells. Any issues should be immediately reported because if not taken care of early on, they could cause major damage down the road!

A few things you should look out for:

  • If you notice you have a leak at any time after the installation, find out where it’s coming from and what is causing it. Common causes might be:
  • Your garbage disposal has been improperly installed – double check your connections to see if they are properly tightened.
  • You might not have a rubber gasket or crushing washer on your unit that keeps water and odors from migrating into your cabinet under your sink (or along the mounting ring). Check to make sure all of these parts were included with your brand new unit!
  • Your garbage disposal smells bad when in use…
  • This means there is probably some sort of debris jamming up the unit. This could be anything from small bones to glass shards.
  • Be very careful when reaching into your garbage disposal to remove large debris and always turn the unit off first.
  • If something gets stuck and you can’t pull it out, stop using your garbage disposal until a professional is able to look at the unit and clear up any jams that could damage it.
  • You hear loud noises or vibrations coming from your new garbage disposal…
  • This usually means there are small particles that have gotten into the impellers of the unit. This can happen if you try running anything besides water through your drain line (even just once!). It’s not good for your plumbing lines because these smaller pieces accumulate over time forming sludge buildups in all of your pipes leading back to your unit.
  • Stop using your garbage disposal and call a plumber to check for any leaks around the unit.
  • Make sure it’s turned off first!
  • You experience poor performance or little to no grinding capacity from your new appliance…

This means that something has probably jammed up the impellers and they cannot move freely anymore. Don’t try anything drastic like running hot water down the sink because you could damage something inside of your unit (warping impellers, blades, etc).

All you need is a simple cleaning and lubrication of these parts (which should be done with every installation!).

To do this:

  • Unplug the power cord(s) of your disposal at both ends (the switch on the wall and under your sink)
  • and use a combination of baking soda and white vinegar to flush out your unit.

This should dislodge any debris and restore the functionality of your unit.

How to replace garbage disposal

What is the average cost to replace a garbage disposal?

In the US, the average cost to replace garbage disposal is between $130 – $190. This means that you might need to spend between $150-$200 in order to properly install a new garbage disposal. Be sure to factor in anything extra such as drain lines and cleaning of the area under your sink.

After reading this article, you should now know how to choose the right garbage disposal for your home. Whether it’s time for an upgrade or if you’re just installing one in a new house, this guide will help you avoid common mistakes and pitfalls that could lead to future problems with plumbing lines.

References: How to Remove a Garbage Disposal & Return to Original Sink Drain

Noah Burns

I am Noah Burns- The Guy behind I love to experiment and test new products to create informative contents for readers like you. I aim to make this site a leading source of information and reviews to help consumers make more informed buying decisions.

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