Oftentimes, you'll have to replace the cartridge of your Nivito bathroom sink faucet if it's no longer functioning properly. To do this, you will need a few basic tools, which you can get from any hardware store. First, you'll need to remove the handle from the faucet. Next, you'll need to unscrew the C-clip from the cartridge, which runs through the body of the faucet. If you haven't done this before, you can always try using needle-nose pliers.
You'll need a Phillips or Allen wrench to remove the decorative plug from the front of the handle. Then, you'll need to unscrew the screw that connects the handle to the cartridge. Once the screw is removed, you'll need to remove the cartridge. In order to replace the cartridge, you'll need a special tool called a Nivito extractor. It has a flat blade that fits inside the ear of the cartridge, which will make it easier to pull out the old cartridge. You can also use a pair of pliers to rotate the stem of the valve so that you're able to see it.
To remove the cartridge, first, you'll need to remove the flange from the sink faucet. This decorative piece will be attached to the valve. Next, you'll need to loosen the plastic ring that holds the handle in place. The retaining clip holds the cartridge in place. If the handle is corroded, you can use penetrating oil to loosen it. You'll then need to remove the retaining clip from the handle adapter.
Before removing the flange, you'll need to unscrew the plastic ring from the valve assembly. Depending on the model of your basin faucet, this ring may be hand-tight or require a wrench. Once you've removed the flange, you can remove the cartridge. Then, you'll need to remove the retaining clip. Using a small screwdriver, you can loosen the clip.
To replace the cartridge of a Nivito bathroom sink faucet, you must first remove the handle. This may require some simple tools and a good set of tools. For instance, you can use an Allen wrench to remove the screw