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How to Install a Utility Sink in 15 Minutes

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by Jeff Patterson in Interior DIY Projects
How to Install a Utility Sink

Learning how to install a utility sink is easy. Even if you’ve never done this project before it’ll be relatively fast.

In fact, utility sink installations only take 15 to 30 minutes and require basic tools.

Let’s dive in!

Installation Checklist

These are the steps required for installing a basement utility sink

  1. Test the old utility sink faucet for leaks
  2. Shut off the home’s main water supply
  3. Drain water from utility sink faucet
  4. Remove sink faucet from tub
  5. Take apart old sink P-Trap
  6. Install new sink legs
  7. Check pipes for venting
  8. Install new venting or new AAV
  9. Install new tub and sink faucet
  10. Secure tub feet to floor

We’ll show you all the steps in detail. But first, let’s answer some basic questions about utility sinks.

 

How Much Does It Cost  

The average utility sink costs $40 to $200. If you need a plumber to install the sink that will add another $100 to $200 minimum.

In addition, plumber prices can range from $500 to $1000 according to Plumber Man if the existing utility sink needs a vent or Air Admittance Valve (AAV).

Keep those things in mind before tackling this project. And know your local plumbing code requirements!

If you decide to install a utility sink the following tips will help you do it in 15 to 30 minutes.

 

Materials Needed

  • Utility Sink
  • Faucet
  • P-Trap Kit (1-1/2 inch)
  • Shutoff Valves (optional)
  • Copper or PEX Pipes (optional)
  • Copper or PEX Fittings
  • Bucket for water collection
  • PVC Primer or Cement or
  • ABS Cement

 

Tools Needed

  • Hammer
  • Screwdriver
  • Crescent Wrench or Channellock Pliers
  • Tubing Cutter
  • MAP Gas
  • Flux and Solder
  • PEX Crimper
  • Hammer Drill
  • 1-1/4 Inch Tapcons
  • Two Foot Level

Either you’re installing a new utility sink or replacing an old one. Either way, we have you covered.

Follow these instructions for a super quick installation

 

Flush Pipes and Remove Sink

  1. Test old faucet and check for drips or leaks
  2. Shut off water supply lines at the home’s main line
  3. Open hot and cold water supply lines and flush faucet
  4. Loosen existing faucet from old utility sink
  5. Remove old P-Trap from sink
  6. Dislodge old sink from floor

 

Assemble Utility Sink

  1. Hammer sink feet into place
  2. Add adjustable feet to feet
  3. Inspect drain pipes for venting or AAV
  4. Add venting or AAV (optional)

 

Install Drain Pipes

  1. Cut section of PVC or ABS drain pipe that will attach to your new utility sink
  2. Some times it’s necessary to cut old drain pipes. But frequently it’s not and in that case a new 1-1/2 inch P-Trap drain kit will help you connect the new sink to the drain pipes.
  3. If new pipes need to be install, dry fit the utility sink and mark the new drain pipe edge on the old drain pipe. This Old House has a great video showing how to add new plumbing, the only thing we’d change is the double wye fitting and use a double fixture fitting instead so the weir is below the vertical hub.
  4. Cut the new drain pipes to size and debur them with a utility knife.
  5. Prime all new PVC fittings on the inside hub and PVC pipes on the outside then glue them together. ABS pipes only need ABS cement.

Attach the Sink

  1. Install the sink where it needs to go and ensure it’s level from side to side and front to back. The adjustable feet are very helpful in getting the sink level with concrete or tile floors.
  2. Attach the old faucet or new faucet to the sink top. Old faucets might need the old block support which simply clips into the sink holes. Follow the directions for installing new sink faucets and use either plumber’s putty or silicone to attach it to the tub. HomeAdvisor estimates the average sink faucet installation costs $246.
  3. Every utility sink will have a slip nut and gasket that comes with it. Add the gasket to the inside of the tailpiece or plastic extension pipe and secure the pipe to the underside of the sink with the slip nut.

 

Connect Water Supply Lines

  1. Connect water supply lines. Cut old copper pipes using a pipe cutter. We like the AutoCut tool.
  2. Debur copper pipes and sand pipe edges and inside fittings.
  3. Apply flux to copper pipes and inside fittings. Note: water shutoff valves can be used between new copper and sink faucet but aren’t necessary all the time.
  4. Heat pipes with MAP gas and apply solder until it goes inside the pipe. Then smooth excess solder with a damp cloth. PEX pipes can also be used in certain situations.
  5. Attach flexible stainless steel water supply lines to the faucet and copper pipes.
  6. Turn the water main back on and test the faucet and drain. Fix any leaks at the faucet or drain pipe connections.

Here’s a short helpful video that provides a lot of great tips for utility sink installation

 

What’s Next

Installing a new utility sink can be daunting but it’s not impossible. And if you have patience and the right tools it can be super quick.

Let us know if you have any questions. We’d be happy to help.

Thanks for reading and watching our tutorial and we’ll see you soon.

Cheers,

Jeff Patterson

 

 

 

 

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