How to Install a Kitchen Sink?

How to install a kitchen sink? That’s the question a lot of homeowners ask: a new sink doesn’t come cheap and paying for professional installation adds to the cost. But as we will show, here’s no need to pay for this since you can do this yourself.

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Tools and Materials

  • Hacksaw
  • Bucket
  • Putty knife
  • Screwdriver
  • Adjustable wrenches
  • Tape measure
  • Fitting and drain pipes
  • Safety glasses
  • Utility knife
  • Socket wrench
  • Pipe wrench
  • Sink strainer
  • Work gloves
  • Silicone sealant
  • Plumber’s putty
  • Towels
  • New sink
tool-box

Instructions for a Drop-in Sink Installation

1

Before buying a new sink, measure your current sink and be certain the dimensions and the location of the drain are similar. If not, you’ll need to work on the plumbing or countertop to make it fit.

Install-a-New-Sink

To avoid problems, draw your current sink and include all the measurements from the drain center to the sink wall. Use this as a guide to help you find the right sink.

2

Take into consideration if you’re going to add other components like a soap dispenser, sprayer, filtered or hot water tap.


Most sinks have 1 to 4 holes so you’ll be able to install a faucet and other parts. Faucets and other components are best installed with a new sink as it’s easier to access.

How to Remove Your Old Sink

  • Take a photo of the plumbing so you can use this as a guide. Turn the hot and cold water supply lines off. You can find this in the basement or under the sink.
  • Turn on the faucet to eliminate water pressure.
  • Disconnect the faucet water supply lines with an adjustable wrench. Have a bucket handy to contain the water in the drain pipes and supply lines when you remove these.
  • If there’s a garbage disposer, turn the circuit off and remove the plug. Disconnect the P trap and the drain pipe with your pliers. Use a pan to catch dripping water.
  • Take out the dishwasher drain line.
  • Take out the dishwasher according to the manufacturer instructions.
  • Loosen the metal clips along the perimeter of the sink, which should be under the counter. A socket wench or screwdriver will do.
  • Use a utility knife to cut off the sink caulk.
  • Push the unit and carry off the sink.
  • Remove the plumber’s putty, caulk and grime with a putty knife.
Remove-Your-Old-Sink

How to Install a New Sink

  • Position the new sink over the countertop and make sure it’s compatible. Use a tile cutter, router or jigsaw to modify the countertop.
  • Take the sink off the countertop hole and connect it to the clips.
  • Put the faucet on as well as any other components you want.
  • Put a small amount of plumber’s putty along the drain strainer. Firmly press on the putty.
  • Position the sink so it’s tilted a little: this means you can secure the rubber gaskets. Thread the flange to the sink drain’s underside. Do this for the other drains that don’t have disposers.
  • Use a soft towel to get rid of the excess jelly.
  • If you got a garbage disposer, install the mounting bracket with a screwdriver along the sink’s bottom. Follow the directions as indicated.
  • Apply silicone sealant along the basin’s edge.
  • Place the sink on the countertop, making sure it’s properly aligned.
  • Under the sink, turn the metal attachment clips in an outward manner. Tighten the screws or nuts.
  • Connect the supply lines to the supply pipes and the faucet water connections. Make sure the connections are tight, but be certain it’s not too tight so the threads won’t get stripped.
  • If there is a garbage disposer, install it according to the instructions of the manufacturer. Put the discharge pipe in place and secure the clamp.
  • Put the dishwasher drain back on according to the manufacturer’s instructions.
  • Hook up the disposer discharge pipe onto the drain pipe. Reconnect the P trap.
  • If your old drainpipes are not properly lining up, make the necessary adjustments. If the pipe is too big, note the measurement you need. Put your safety goggles on and cut the pope to size.
  • Put a washer on the pipe and set a slip nut on it. If you want to put another nut on the pipe, just slide in on in the proper direction. Put the washer on. Grab the pipe, keep it in place and secure the slip nut.
  • If the pipe is short you’ll need to buy a longer. To avoid problems, measure the pipe and determine how long the pipe needs to be. It’s a good idea to add a few inches to the measurement just in case you’ll need more length. In any event if the pipe is too long you can cut it.
  • Once the pipe is the right length, put on the slip nuts on and the washer as described above. When it’s set, proceed to the next step.
  • Apply some sealant along the sink’s perimeter.
  • Restore power to the garbage disposer. Turn on the water and look for signs of leaks.
Install-a-New-Sink

Tips and Warnings

  • Install a new sink during the morning when the hardware store is open. Chances are you’re going to need to run back and get a few more supplies.
  • Double check your measurements to ensure that new sink fits.
  • Wear safety goggles and gloves when using tools.
Tips-and-Warnings

Conclusion

If you followed the instructions above, figuring out how to install a kitchen sink is not limited to the professional. With the right tools and materials you’ll have a brand sink ready for use. Did this article help you? If so, please share this with your friends on Facebook.

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