How to Repair a Sill Faucet
- 1). Turn off the water supply to the outside sill faucet. If the faucet does not have its own shut-off valve, turn off the main water supply for the house. If the latter is necessary, instruct the household members not to open any other faucets while you do the work.
- 2). Open the sill faucet to relieve any residual pressure in the supply line.
- 3). Remove the handle retaining screw with the appropriate screwdriver. Turn the screw counterclockwise and lift the handle from the faucet stem.
- 4). Remove the packing nut from the faucet with an adjustable wrench. Turn the nut counterclockwise.
- 5). Remove the valve stem from the faucet by turning it counterclockwise by hand. If the stem is tight, place the handle onto the stem without its screw and turn the stem.
- 6). Remove the rubber washer seal from its recess at the bottom of the valve stem using a screwdriver. Turn the washer retaining screw counterclockwise.
- 7). Clean the O-ring groove and the washer recess with a toothpick and a cotton swab. Remove any residue from these two areas prior to replacing the seals.
- 8). Check the interior of the sill faucet. Clean any residue from the valve seat with a cotton swab.
- 9). Place the new rubber washer seal into its recess and secure it with the retaining screw. Tighten the screw clockwise.
- 10
Install the new O-ring seal into its groove by sliding it over the top end of the valve stem. - 11
Insert the valve stem into the sill faucet and turn it clockwise by hand until snug. - 12
Install the packing nut over the valve stem and start threading by hand turning clockwise. Tighten the nut using the adjustable wrench. - 13
Replace the handle onto the head of the stem and secure it with the retaining screw. Tighten the screw with a screwdriver. Close the valve. - 14
Restore water pressure to the sill faucet. - 15
Open the valve and purge the supply line of air and any residue build-up. Allow the water to flow for 10 seconds before shutting the valve off. - 16
Check for leaks.