Water Shut Off Valve Leaking At Stem

Next remove the handle from the stem and then loosen and remove the packing nut.

Water shut off valve leaking at stem.

First shut off the water to the leaking water valve. To tighten the packing nut follow these directions. For instance a standard stop and waste valve has three other washers that can leak in addition to the washer that shuts the water off. If the leak persists before replacing the entire valve try this.

Multi turn shut off valves have a handle that when tightened forces a rubber gasket onto a seat in the middle of the valve that restricts water. This valve usually is in the basement or a utility closet and it will be clearly labeled. Place a bucket or a thick towel on the floor under the leaky valve just in case some residual water leaks out during work. Turn on all the faucets and flush all the toilets associated with the main shutoff valve to empty the pipes of water.

On a new water valve this almost always stops the leak. So if there is a leak at the valve stem it most likely means the valve is not shut off all the way. Water shut off valves can also leak at various points on the valve. Step by step instruction showing how to stop a shut off valve from leaking at the stem.

The packing nut is responsible for making a watertight seal where the valve stem meets the water line. If it doesn t the packing washer is probably damaged and will need replacement. You may need to shut off water to the entire house if there is no cut off for the line. Several considerations dictate which is the best water shut off valve for your needs including the size of the inlet diameter and outlet diameter as well as how the valve is operated.

Remove the old washer and slide on the new one. Unscrew the handle the packing nut and the threaded valve stem photo 2. Replacing old graphite valve stem packing with new teflon seal. Locate and shut off water supply to the line that feeds the leaking valve.

Turn off the water at the house s main shutoff then disassemble the problematic shutoff valve without disconnecting the valve from either the water supply line or the line leading to the toilet. Water shut off valves often leak at the handle or the stem after they.