Projects

Fixing a Compression Faucet

Project Overview

Compression faucets are one of the most common types of faucets. Two-handled faucets are usually compression types. They use a little mechanism called a stem to open and shut the supply of water. The stem is operated by turning the faucet handle. The most common problem is that the O-rings and washers used to seal the stem inside the faucet get worn and must be replaced.

Step 1

Turn Off the Water

Turn off the water. An index cap is the button that covers the top of the faucet handle. You can pry it up with the tip of a screwdriver. Once it's off, remove the handle screw. Take the handle off by pulling it straight up. If necessary, use a handle puller to remove the handle.

Step 2

Unscrew the Stem Assembly

Unscrew the stem assembly from the body of the faucet, using a pair of slip-joint pliers. Inspect the valve seat for wear by sticking your finger into the stem hole. If the metal inside is rough, you may need to resurface the seat. If the seats seem badly worn, it's usually best to replace the whole seat.

Step 3

Remove the Brass Stem

Remove the brass stem screw from the stem assembly. The worn stem washer should come right off. Don't discard it -- you'll need it to pick a replacement.

Step 4

Unscrew the Threaded Spindle

Unscrew the threaded spindle from the retaining nut.

Step 5

Cut Off and Replace the Old O-ring

Cut off the old O-ring and replace it with an exact duplicate. Install a new washer and the stem screw. Coat all the parts with a little heatproof grease, then reassemble the faucet. Reassemble the stem assembly, replace the stem assembly in the faucet and attach the handle. Turn the water back on.

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Project Details

Skill Level: Beginner

Time: 1 hour

Before you start, read this »

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