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if it is a single lever faucet the cartridge needs to be replaced. check the supply valve under the sink first,
Flush the lines from a clean potable water supply
Cross connections in plumbing are any type of connection which is between the water and a source of contamination. This can cause the water supply to be contaminated.
air in the water lines causes banging and whistles/screams. Turn off main water, turn on the faucet, turn main water back on, and it should force the air out.
Place some towels under the sink to catch any drips while doing this procedure. Turn off the valves under the sink that supply water to the faucet. Disconnect the supply lines to the faucet. Place a bucket under the drain pipe. Disconnect the p-trap. Drop the trap into the bucket. The mechanics of the sink have been disconnected now the sink needs to be removed. If it is a pedistal sink, look for screws or bolts unterneath by the faucet. I've installed in vanity, those sinks are usually glued to the cabinets. Use a prybar to separate it. http://www.lets-do-diy.com/Projects-and-advice/Bathroom/Basins-and-bidets.aspx
A water faucet is the mechanical device fitted to the water supply pipes over bathroom and kitchen sinks. When turned on they supply water.
I have never seen a faucet that has a nut on the line coming out of it. Usually it is a male connection and the nut is on the supply line between the faucet and the house supply. Anyway, if the line coming out of the faucet is messed up, you could probably cut it and use a compression fitting to go between the faucet and the supply line to the house line.
It is already grounded through the faucet and water pipes. Even if the supply lines are PVC, it will still be grounded through the water.
New Water heater. Faucet and sink drain line repair parts. The sinks, commodes, house and yard water supply lines. Sewer lines
Most tubs do not have a shut off in the supply lines to it. You have to shut the main off where it comes into the house.
Tap water comes from the water faucet. It gets to the water faucet from the water treatment plant through the water storage takes and lines.
By opening the walls
The other water lines are going to other fixtures. Your lines must be comming out of the floor for you to see the other lines. They are all teed together and only one line comming up to your faucet.
From underneath. There are two different types. There will either be a large nut on each side where the water lines attach or there will be a horseshoe shaped plate in the center that is held in place by one smaller nut. Take the supply lines off and remove the nuts that hold the faucet in place and lift it up.
No. Regardless of what type of supply line you use between the house supply and the faucet it will be a compression fitting. Copper lines with a nut and ferrule or flexible ones are both compression and do not need tape or pipe dope.
Bathroom faucets are installed by pushing the faucet into the hole left by the old faucet. Before doing this, you'll probably want to apply plumber's tape or joint compound on the threads of the faucet stems and also apply caulk. Then you connect your water supply lines to the faucet stems and apply more plumber's tape to the shutoff valve threads. The last step is to tighten the coupling nuts to the faucet supply stems, taking care not to overtighten.
Often a faucet will sputter if there is air in the lines. This happens if the water has been turned off and then on again. If this is the cause, it is only necessary to run the water a while and the air will get out of the lines, and the sputtering will stop.