How to Plumb a Kitchen Sink With Disposal and Dishwasher

If you are someone who recently bought a portable dishwasher and used it you are just fascinated with its performance then congratulations on making a good purchase. Dishwashers are very useful and if you own one I guess you know that.

Are you thinking of attaching your dishwasher to a garbage disposal so that you do not face any drainage problems? If yes then you are at the very right place. Plumbing your dishwasher for drainage to a garbage disposer is a perfect idea and doing this is very easy. You won’t have to call an expert for that and this thing can be done all by yourself on your own.

If you do not know then garbage disposal and dishwashers are most probably connected with a kitchen sink. This helps in the drainage of water once the washing cycle of your plates has been completed.

Garbage disposal and a dishwasher help people to save time and energy. Many people face the challenge of the installation of these two appliances. Today we are going to look at how to install a kitchen sink. We will also look at how to fix any leakages in dishwashers or garbage disposers. Even if you have a traditional farmhouse style stainless-steel sink or a modern double basin sink with dishwasher and disposal, it is very important to plumb them perfectly.

Let’s quickly find out how to do this plumbing work. Are you ready? Start gathering the tools and get to work.

How to plumb a kitchen sink with a garbage disposal?

Plumbing or attaching your kitchen sink with garbage disposal is very easy and let’s find out how to do it.

Things to gather

  • Hammer plies
  • Hacksaw
  • Hex wrench
  • Screwdriver

Method

  1. The first thing that you are required to do is to study (get familiar) with all the parts that your disposal has. Take your time and see all the parts. Try assembling them before installing to see if they perfectly fit.
  2. Now take a plumber putty and apply it on the plange. You need to take a suitable plumber putty for this. Press the putty gently to make sure it falls into place. Now set the disposal on the collar so it gets stable at one place and doesn’t move.
  3. Now get the backup flange, fiber gasket, and the mounting ring, and then slide it slowly on the opposite side of the collar. If you see that it is in the right place then start installing the snap ring and tighten the screws. After this, if you see there is excess putty you should clean it off.
  4. A cover plate is present on the electrical cord which you will have to remove to access the electrical cord. You will have to see the colors and connect them to the matching colors correctly. Again put the cover plate back once you are done attaching the wires.
  5. Now take a hammer and remove the drain plug.
  6. Insert the gasket slowly and gently in the discharge outlet and connect the drain. After that attach the discharge tube using bolts and flange. After you are done with this, you need to hang the garbage disposal by adjusting the ring for mounting. You can do this with three tabs. Now take a wrench and make sure to lock the tabs to the ridges.
  7. Now take the dishwasher drain and connect it. Be sure that the discharge pile is properly adjusted. After that, you need to connect the drain pipes.
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Installing a dishwasher to a garbage disposal

This you will require

  • Air gap fitting
  • 1 light hammer
  • Utility knife – 1
  • 1 screwdriver
  • Hose clamp (1 inch)
  • Installation kit for dishwasher
  • Two rubber compression washer
  • Two compression clamps

How important is dishwasher drainage?

You use your dishwasher to clean your dirty dishes and other utensils. Have you ever thought about where does the dirt goes? Once your dishwasher has done cleaning and washing your dishes it should drain the dirty water.

If your dishwasher isn’t clean then it won’t be able to clean your dishes as well and if there’s no proper drainage then the dirt might overflow. The dirty water will make your dishes messy again without proper drying, which will make things worse. To work efficiently with your best countertop dishwasher, you need to set a proper drainage system that allows dirty water to be smoothly transferred to the drainage system.

Installing your dishwasher

Once the garbage disposal is installed, now it’s time to connect your dishwasher to it. The method that you will have to follow for connecting your dishwasher to your drainage isn’t complicated. It’s simple and easy to do.

Garbage disposal comes with a special outlet that is designed for dishwashers. Here are some of the easy steps that you will have to follow if you want to connect your dishwasher to your kitchen sink.

  1. The first step that you will have to do before starting the installation process is that you need to turn off the water supply completely.
  2. Now you need to unplug the garbage disposal system from the electrical outlet. You should make sure that you do it without fail. If you have a garbage disposal that is permanently connected to the outlet then you will have to turn it off from the main switch.
  3. Now you will have to remove the knockout plug and for that take a screwdriver, a light hammer and remove the plug that is inside the hose nozzle. Now take a needle nose plier so that you can be able to use that to remove the plug from the nozzle.
  4. Now take a threaded stem and slowly insert it at the top of the air gap fitting. There is a hole in which you will have to insert the threaded stem which is at the back of the sink. There is a runner washer on the upper end of the stem which you will have to insert and then tighten on the trim cap. You can use your hands to tighten the cap and make sure you do not use any wrench or pliers.
  5. Now use your hand to rotate or twist the air gap fitting. You need to rotate it until you see that the angled nozzle directs towards the garbage disposal.
  6. Now push one side of the garbage disposal drain hose and slowly push it towards the nozzle on the dishwasher. After that try fitting the hose clamps that are present on the other side of the hose. Gently and slowly try inserting the lower clamp on the hose. Use a screwdriver and tighten it.
  7. Take your utility knife and use it to cut the upper end of the hose. Make sure you cut it into a proper sizeable length so that it can easily fit inside the air gap nozzle without getting bend.
  8. Insert a one-inch pad on the other side of the drain pad. Make sure the tube is cut into a large length and fits well without a circuit or bend in the tube to the vertical nozzle. Insert the end to the top and fasten it with a firm pin.
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Conclusion

Dishwasher and garbage disposal are very important and the most important thing is plumbing them to your drainage. It is very simple and easy to do if you’ve got the right equipment and you know the exact steps.

I have mentioned a step-by-step guide that you can follow if you want to plumb your dishwasher and garbage disposal. I hope this article was informative and useful.

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