You probably turn your faucets on and off dozens of times every day, but do you know what the parts of a sink faucet are and how they work? This article details common parts of most types of bathroom and kitchen faucets, what those parts do, and how they work. We’ve also got helpful maintenance tips, and we compare the cost of DIY repairs versus hiring a professional faucet repair service near you.
What Are The Parts of a Sink Faucet and How Do They Work?
While faucet parts vary depending on the type of bathroom faucet or kitchen faucet you have, most have similar parts that function in familiar ways. Her, we give you a handy rundown of the parts you’ll almost always find on your kitchen and bathroom faucets, what each part does, and how it works with the rest of the faucet parts.
1. Faucet Handle
The faucet handle is the part of the faucet that regulates water flow. It functions by opening and closing the valve that’s connected to your water supply line. When the handle is positioned to on, water comes out. When it’s positioned off, so is the water.
Faucets can have one handle or two, depending on style. A single handle can be easier for people to use, while double-handled faucets can look more designer and give you more accurate temperature control.
2. Set Screw
Each faucet has a set screw that attaches the handle to the faucet stem and keeps it from coming apart. On most faucets, set screws are located underneath or on the side of the handle. When tightened correctly, they hold the handle in place. You may need to adjust or tighten the set screw over the life of your faucet; if it falls out, replace it so your faucet keeps working correctly.
3. Adjusting Ring
Most faucets, especially those with compression valves, have adjusting rings. This part regulates the water flow as you turn the faucet handle. You can customize your faucet’s flow by tightening or loosening the adjusting ring.
4. Cap
Faucet caps are decorative coverings that cover faucet handle attachment points and set screws. They’re pretty, and they keep your faucet looking and functioning its best. As a bonus, you can buy caps in various finishes and styles to fit your faucet and your decor.
5. Spout
The spout-the parts of a sink faucet that delivers the water. Spouts can take any number of shapes—crooked, straight, low-profile, arcing, pull-down, and even articulating—but they all serve the same purpose: getting tap water into your sink, glas, or pot.
6. Belufter
Located at the tip of the faucet spout, aerators are the final component separating you from fresh water. Most are made of mesh, and they break up the water flow and infuse air into the stream to give you higher-pressure flow while still reducing the amount of water. This saves water and reduces splashing without compromising on water pressure. You can also buy add-on aerators for even more water savings and better water pressure. To learn more-Hvad er vandhaneluftere, og hvorfor skal du installere dem? Vandhaneluftervejledningen
7. Cam and Packing Assembly
If you have a ball-type faucet, or a faucet that has a single handle that rotates on a ball to change the water temperature and flow, it will also have a cam and packing assembly. This is a combination of a cam mechanism that turns the ball valve and the packing material that seals around the ball valve to prevent leaks. These parts often need regular lubrication and maintenance so the faucet continues to work smoothly.
8. Valves
Depending on the type of faucet you have, it will include a ball valve or a cartridge valve. Here’s the differences between the two:
Ball Valve
Ball-type faucets with a single handle use a ball valve to control the flow and temperature of the water. This valve is round like a ball and has channels or holes that align with inlet ports to let water flow through. As you rotate the handle, you move the ball valve, which lets water pass through the channels and out the spout.
Cartridge Valve
Cartridge-type faucets have a plastic piece that controls water flow and turns the water on and off. Cartridge valves connect to the sink handle; when you turn the handle, it turns the cartridge, which opens up the channel and allows water through in the amount you choose. Cartridge valves are more commonly kitchen sink faucet parts than bathroom sink faucet parts.
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9. Seats and Springs
If you consult a faucet parts diagram, you’ll see that compression-type faucets, those with a compression stem that presses against a rubber seal to restrict water flow, have seats and springs. These parts of a sink faucet create a water-tight seal to prevent leaks when the faucet is turned off.
10. O-Ring
O-rings are rubber seals that make watertight connections between faucet components. You’ll find these rubber gaskets between the spout and the faucet body, and between the handle and the valve stem. O-ring is important parts of a sink faucet to resist water leaking.O-rings don’t last forever; as you use your sink, they get pinched between the faucet parts to do their job, but this damages them over time. This damage and wear will allow leaks over time, so you’ll need to inspect and replace o-rings over the life of your faucet.
11. Faucet Body
Before the water reaches the spout, it runs through the faucet body-the essentional parts of a sink faucet. This is the main part of the faucet, where water mixes before it passes out through the spout. There are three types of faucet bodies: single-hole faucets, where hot and cold water mingle in a single piece that includes the valves; widespread bodies, which have three holes (one for the spout and two for the handles) and mix the hot and cold water beneath the cabinet; and bridge faucets, in which two separate valves meet in a single pipe where the water is blended.
12. Mount and Escutcheon Plate
Every faucet has to sit somewhere, and that somewhere is usually the mount, also called a mounting plate or deck mount. The mount secures the faucet to the sink or countertop with mounting bolts, depending on the installation. While most faucets have mounts, wall-mount faucets may not, as you can mount them directly onto the wall. Some sinks also have an escutcheon plate, a decorative metal plate that covers gaps left between the mounting surface and the faucet itself, hiding the water supply tubing and keeping water and debris out from under the faucet.
13. Mounting Bolts
Mounting bolts are usually long, threaded metal bolts that run through holes in the faucet mount and down through the sink or countertop. Washers and nuts usually tighten to the bolts to secure the entire assembly. If the mounting bolts aren’t tight enough, the faucet can shift or loosen over time. If the bolts become loose, you can usually tighten them by accessing them from under the sink or countertop.
How to Maintain the Different Parts of a Sink Faucet
Regular maintenance will help keep your sink faucet running well for a long time. Here are a few top maintenance tips to keep water flowing and leaks at bay:
- Regularly wipe down the handle and spout to keep your faucet looking good. This will also remove dirt, grime, and mineral deposits, which can make your faucet function better for life.
- If you see drips or leaks, check and repair or replace any worn valves, cartridges, or o-rings right away to prevent wasted water and keep the problem from getting worse.
- Remove and clean your sink’s aerator regularly to prevent clogging and maintain the water flow. Most aerators simply screw off and on, and rinsing them or soaking them in a lime-fighting cleanser is enough to keep them clean.
- Frequently inspect the faucet body for damage, corrosion, rust, or worn-out components. Clean or repair components as needed to keep the sink in good working condition.
- If the faucet begins to shift or becomes wiggly, that is a sign that you should tighten the mounting bolts. Access them from under the sink or countertop or inside the cabinet the sink and faucet are mounted on. You will probably need a wrench and a little upper-body strength to do it.
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