How to Replace Kitchen Sink Taps | eHow

Turn off the main water valve, as well as the hot and cold valves under the sink.

Disconnect the hot and cold inlet tubes, as well as the sprayer if you have one. Keep a bucket on hand to catch the potential drainage. Not all kitchen sink taps will have a sprayer.

Unbolt the faucet assembly from the sink. Most of the time, it is installed using rustproof materials, but do not count on it coming loose easily. Even a slow leak can leave a substantial mineral deposit on the nuts, making them very difficult to turn.

Clean the now-empty space left vacated by your old kitchen sink tap. Use a mild abrasive cleanser. A cleanser using oxalic acid is especially useful at removing tough mineral deposits.

Install the new sprayer base, then feed the sprayer hose back up through the open faucet hole to attach it to the base of the new faucet. This will be much more difficult if you wait until later.

Attach the new faucet to the sink. Go slowly when you are tightening it down, and check frequently to ensure that it is straight before you tighten it all the way.

Connect the inlet tubes to the new kitchen sink taps. Be careful to not overtighten and damage them, and ensure that you do not tangle up the sprayer hose when you do so.

Turn on the tap and slowly open the water valves, all the while checking all over your work for any potential leaks.