In all homes, sink faucets will eventually fail. Determine what kind of faucet you need to repair
and replace cartridges, washers, O-rings, and diaphragms.
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Sink faucets are found in laundry rooms, kitchens, bathrooms, and elsewhere. Because theyre so
ubiquitous, they usually arent given a thought until they fail.
Many experts report that indoor running water is the single most impressive event that altered
domestic society resulting in our present state of comfort.
Theyre both an essential and fundamental part of our homes as well as fast food joints and the
hotel industry. But when things do go bad, as they inevitably will, the important concept to understand
is that there are a wide array of sink faucets available. Without identifying the faucet manufacturer
and model, repairing a sink faucet is impossible.
Repairing Different Types of Faucets
Compression Faucets This type is always doubled handled; look for this first in
the identification process. These are simple, while functional; an internal washer raises to allow the
water to flow. For this reason they are also called
washer type faucets
or stem faucets.
Repair Tip If the spout is dripping, replace the stem washer.
Repair Tip If your handle is leaking, replace the O-ring or stem packing.
Diaphragm Faucets These are also double handled.
Repair Tip If your handle is leaking, replace the O-ring.
Repair Tip If the handle and spout are both leaking, replace the diaphragm.
Disc Faucets This kind of faucet may have either one or two handles. It contains a
pair of plastic or ceramic discs which regulate both the temperature and volume of water that reaches
Repair Tip If this faucet acts up, either replace its seals or unclog its inlet
ports. The discs are long-lasting and rarely a problem.
Rotating Ball Faucet Now were down to one thats always a single handled
faucet. It recieves the name because of the use of a slotted plastic or brass ball that perches atop a
spring-loaded plastic seat. The handle causes the ball to rotate, which adjusts the temperature and the
Repair Tip If its leaking from the spout replace the springs and seats as
Repair Tip But if its leaking from the handle, replace the O-rings as well as
adjusting the adjusting ring. If both the handle and the spout are leaking, just go ahead and
replace the diaphragm.
Cartridge Faucets This is a single lever faucet, and it uses a cartridge to control
the water flow.
Repair Tip This one is a one of the least challenging. It uses a very simple
plumbing assembly. When things go wrong, try changing out the O-rings as the first step.
Didnt fix the problem? Just change out the cartridge. Take the old one with you to the
plumbing shop to make sure you get the right one.
Basic Tools and Materials for Plumbing Repair
There are some tools that apply equally to other areas of DIY but are essential for plumbing projects.
Slip-joint or Channel-Lock Pliers The most basic of plumbing tools. Owning two pairs is
Teflon Tape Inexpensive enough to use the tape rather than the paste. It should be used on
A bunch of rags Youll usually end up needing more than you planned on.
Screwdrivers Have all kinds on hand; no home should be without them.
Nut-drivers Many rubber or soft connections will use automotive style hose clamps.