Most sinks have three holes for the faucet and a fourth for an accessory such as a sprayer or a soap dispenser.
Tools needed to change sink faucet.
Apply clear silicone to the underside of the drain collar.
You may need to use a wrench and some wd 40 if you can t remove them by hand.
Depending on your plumbing you may have a single water valve for the entire faucet or you may have two separate valves for the hot and cold water.
Follow the manufacturer s directions to mount the new faucet then remount the sink with the new faucet and hook up the water lines as we show in this how to replace a kitchen faucet project.
Tip with most faucets only three of the four holes are covered so you ll either need to get a blank insert or use the extra hole for a liquid soap.
You can buy plugs for unused holes but they usually don t match the sink.
A basin wrench is a standard plumbing tool that is indispensable for removing and installing most faucets.
Some faucets include a handy little tool to unscrew the aerator.
The faucet nuts are located above the water supply line connections and these nuts are what holds your faucet in place.
Shut off the water.
A one hole faucet can be installed in a 3 or 4 hole sink by adding a deck plate but not vice versa.
If you re replacing the faucet in your existing sink look underneath the sink to see how many holes it has usually between 1 and 4.
Screw it into place on the drain rim.
Wipe away excess silicone.
Flush the faucet by removing the aerator.
Then turn the ratchet and it will self.
Turn off the water.
Use a basin wrench or a sink installer tool being careful to not over tighten the nuts.
From beneath the sink tighten the mounting nuts to keep the faucet in place.
Remove the old faucet supply lines image 1 which will expose the holes in the sink.
It works quickly and easily and you avoid backaches.
This determines the type of faucet that will work with your sink.
Turn on the hot and cold water for about a minute.
Wipe away any excess putty from around the faucet base.
Match faucet to sink openings.
Have a bucket handy to catch the water.
Buy this cool tool a special faucet nut wrench to simplify faucet removal under those hard to reach sinks.
The wrench allows you to reach into the cramped area behind the sink to loosen or tighten the nuts that hold the faucet to the sink and the nuts that connect the supply lines.
This gets rid of debris or sediment in the faucet.
Locate the water shutoff valve for the bathroom sink.
Use a basin wrench to loosen up both the hot and cold water supply lines image 2.
Unscrew the lines from the faucet.
But some faucets require only one or two holes and you may not want enough accessories to use the rest.
When you re done keep it inside your vanity or with the rest of your tools.
It should be under the sink inside the vanity.
Check all the connections for leaks and retighten if.