
Upgrading a sink faucet is one of the easiest ways to refresh the look and function of a kitchen or bathroom. Whether your old faucet has started leaking or you are ready for a new style, replacing it yourself is entirely possible with the right tools and patience. As a trusted home services provider in the Virginia Beach area, Miller’s Heating and Air Conditioning knows that many homeowners like to take on small plumbing installations and other projects. This guide walks you through how to install a new sink faucet safely and correctly so your fixture performs as it should.
1. Gather Tools and Materials
Before you begin, collect everything you need. Having your tools ready makes the process smoother and prevents unnecessary trips under the sink. You will need an adjustable wrench, a basin wrench, a set of screwdrivers, plumber’s tape, a bucket or towel, and the new faucet with all included hardware. If your faucet comes with supply lines attached, great. If not, you may need to purchase new water supply lines to ensure a leak free installation.
It is also a good idea to read the instructions that came with your faucet. Every manufacturer has slightly different designs and knowing what to expect can help you avoid mistakes.
2. Turn Off the Water Supply
Under the sink, you will see two small shutoff valves that control the hot and cold water. Turn each valve clockwise until it stops. To relieve pressure in the lines, open the faucet and let any remaining water drain out. This prevents accidental spraying once you begin disconnecting the old faucet.
Place a bucket or towel beneath the sink to catch any drips. Even if the valves are off, there may still be a little water left in the lines.
3. Disconnect the Supply Lines
Using your wrench, loosen and disconnect the hot and cold water lines from the shutoff valves. If the lines are old or corroded, be gentle to avoid damaging the valves. After you disconnect the lines from the valves, detach them from the underside of the faucet.
If your new faucet includes brand new supply lines, it is best to use them. Reusing old lines increases the risk of leaks.
4. Remove the Old Faucet
Most faucets are held in place by nuts located underneath the sink. This is where a basin wrench is especially useful because it reaches up into tight spaces. Loosen the nuts and lift the old faucet out from the top of the sink.
Clean the area thoroughly once the faucet is removed. You may find old putty, mineral buildup, or grime around the faucet holes. A clean surface helps the new faucet install securely and evenly.
5. Prepare and Position the New Faucet
Place the gasket or putty ring that came with the new faucet onto the sink. Some faucets do not require plumber’s putty because they have built in seals. Follow the manufacturer’s directions to know which method is recommended.
Position the new faucet over the mounting holes. Make sure it sits straight and centered. If the faucet comes in multiple pieces, such as separate handles and spout, confirm that each part is aligned properly.
6. Secure the Faucet from Below
From underneath the sink, attach the nuts and mounting hardware that came with the faucet. Tighten them by hand first, then use your basin wrench or adjustable wrench to snug them into place. Do not overtighten, since this can damage the sink or the hardware.
If your faucet includes a pull down sprayer, this is where you will also attach the weight to the hose so it retracts smoothly.
7. Attach the Water Supply Lines
Connect the hot and cold supply lines to the faucet first, then to the shutoff valves. Make sure each connection is tight and secure. Wrap plumber’s tape around threaded connections if recommended by the manufacturer.
Double check that the hot line connects to the left valve and the cold line connects to the right valve. Mixing them up leads to temperature issues once the faucet is in use.
8. Turn the Water Back On and Test
Slowly turn the shutoff valves counterclockwise to restore water. Open the faucet and let the water run for a minute. This helps flush out air and debris.
As the water runs, check underneath the sink for leaks. Even a small drip means a connection needs tightening. Address any issues now so your faucet performs reliably for years.
9. Clean Up and Enjoy Your New Faucet
Wipe down the faucet and sink, remove your tools, and admire your work. A properly installed faucet improves convenience, style, and water efficiency in your kitchen or bathroom.
Let Us Handle Your Faucet Installation
If you ever feel unsure or run into a problem during installation, the plumbing experts at Miller’s Heating and Air Conditioning are here to help homeowners throughout the Virginia Beach area. Schedule your plumbing appointment today!