The water mains switch is often located in the basement or on an outside wall near the laundry or bathroom. If you have a landlord, ask them where the water mains are located. If your switch is a wheel, turn it clockwise to shut off the water supply.
If the water doesn’t stop running, check that the water mains are in the “off” position.
Some single handle faucets have an allen screw recessed in the handle. If you can’t find a decorative cap, check the lower part of the handle where it meets the faucet to look for the screw.
Locate the headgear nut under the decorative cap Keep the screw and handle somewhere safe so that you find it when you want to put the tap back together. Put the plug in the plughole to stop any screws falling down the pipes.
If the nut still won’t come off, repeat the process of applying oil. Purchase penetrating oil from a hardware store.
Keep the “O” ring in case you need it to identify what size replacement ring you will need. [7] X Expert Source Dave JonesMaster Plumber, Roto-Rooter Plumbing & Water Cleanup Expert Interview. 29 March 2021. If your “O” ring is broken or crumbled, make sure to remove any small pieces from the faucet. This is necessary for your new ring to sit properly.
”O” rings can be purchased from hardware stores.
“O” rings can stretch if they’ve been in use for a long time. Purchase a new “O” ring that is just slightly smaller than your old one to make sure you get a tight fit.
Plumbers grease can be purchased from a hardware store.
Turn the spanner towards the right to tighten the screw. [12] X Research source
The air bubbles will make rumbling noises. Once the noises stop, this signals that the air is out of the pipes.
