Our kitchen faucet was having problems with flow, the spray hose no longer worked, and it was not as tall as we wanted it. Time to change it.
We went to HomeDepot an picked one out we liked. You should double check the number of holes your sink had for a replacement faucet before going to HomeDepot. My sink has 4 holes. 3 are for the water faucet and 1 for the spray nozzle. HomeDepot gives a 10% veterans discount with valid ID. Lowes gives a discount, but you have to fill out some paperwork and associate it with your phone number.
Removal
First always check for leaks, make sure there are no old leaks even before you start.Put a towel or bucket under the valves, shut off both the hot and cold water valves, and unhook the water hoses that go to the faucet. If you need to run the hose to a bucket because the faucet leaks you can, because the hose is still attached.
Check to make sure the valve is not leaking before going off to do something else, unless your interested in setting up a Slip-N-Slide in your kitchen. The old valve probably has not been shut off in a long time, so it may leak.
The faucet should have some nuts underneath that you need to take off. Mine was one of those single valve faucets where both hot and cold water go into it. Out of the 3 holes for the faucet the 2 outside holes just had plastic nuts, the center hole had a threaded rod that came down with a metal nut and half-moon looking washer.
once all the lines are disconnected and the nuts are removed the old faucet should come up. If it had been there for years it might take a little coaxing. Maybe a pudy knife around it to get any sealer someone my have used.
Installation
Follow the instructions for the faucet you bought. Mine might be different than yours.Clean the area well before installing the new faucet while it is easy to get to.
Put the new faucet in the holes and tighten the nuts provided with your faucet set.
The instructions said to put the spray hose in first, so that's what I did. I could have put the spray hose in last so that the hose wouldn't be in my way while working on the faucet connections.
Make sure your faucet is centered like you want it, and tighten those nuts.
Hook up the water lines, turn the water valves back on, and test for leaks. If no leaks your Done!
I was not so lucky, my cold water hose started leaking.
No big deal I shut the valve off. Drove up to the store, picked up another hose and came home. Pulled the old hose off, and tried to put the new hose on. It did not fit the valve. My valve has a flare fitting, but the new hose is for a compression fitting.
Ran back up to the store to look for a different hose. They do not sell a hose with flare fitting on one end. So I started looking for an adapter. They did not sell an adapter. drove to another store. They did not have the hose or adapter either.
Went back home to see if I missed something or to see if I could get it to work.
NOPE, still leaked after trying a few things.
Took a break
The next day realized I just needed to suck it up and replace the valve to what would work with the new hose.
Ran up to the store bought a valve ($7.29), wishing I had done that to begin with.
I already have a torch, flux, and lead free solder. So I did not need to buy that.
Sweating Pipe
Turned the water off at the street.If you are working on a cold water valve like I was; open all the cold water faucets in the house to try and get as much water out of the lines as you can.
Hot water - be careful if you have a hot water tank. You do not want to drain the water out of that tank if it is still on. You may need to turn it off. Same with tankless hot water heater, you will need to turn it off. In fact if you are not comfortable ask someone and tell them what you're doing, or just turn off the hot water heater and continue.
Under my kitchen sink my water hose was already removed, I opened the valve all the way.
Heated up the part of the valve that is around the copper pipe.
Use gloves - I pulled the valve off as soon as it would let me.
Let the pipe cool.
Cleaned the end of the pipe with sand paper. Cleaned the inside of the valve with sand paper. Make sure your new valve is all the way open, so the rubber seals are not next to the metal that you are going to heat up with the torch. It also helps it vent if needed while soldering.
Applied flux to both the pipe and new valve. Pushed the valve onto the pipe.
Heated the valve, and applied the solder to the opposite side. When it got hot enough the solder is wicked into the joint.
look all around the pipe to make sure you see solder all the way around.
Let the valve cool before turning the valve closed. You still do not want to damage the rubber seal inside the valve.
Close the valve, and have someone watch it while you turn the water back on at the street. If it leaks they can let you know so you can shut the water off right quick. Save you some running.
Hook your faucet hose up, and turn the valve on. Check for leaks. Let the water run to get any junk out of the line.
No leaks your good.
I spent way more time on that than I wanted too, but it is what it is. $12 in parts (new hose, and valve) and I installed our new kitchen faucet.