Ultimate Guide on 18 Parts of a Sink: Names, Functions & Diagram

Overview of Sink Parts

A sink is a highly useful and functional plumbing fixture that typically takes the form of a bowl-shaped basin. It serves various purposes, including hand-washing, dishwashing, and other related activities. Sinks are typically equipped with taps or faucets for hot and cold water. In addition, many sinks may also include a spray feature that enables users to rinse items more quickly and effectively. One of the most vital parts of a sink is its drain, which removes used water from the basin. Many drains may include a filter or shut-off device to prevent unwanted debris from entering the plumbing system to help prevent clogs and other plumbing issues. So, in this article, we will see all the sink parts with their locations and functions. This guide also will help every individual to repair their sink whenever it gets blocked.

Parts of a Sink Diagram

Parts of a Sink, Names, Functions & Diagram

Sink Parts Names

  • Basin
  • Drain
  • Faucet
  • Mounting Hardware
  • Overflow
  • P-trap
  • Tailpiece
  • Water supply lines
  • Pop-up drain stopper
  • Rim
  • Escutcheon
  • Supply valves
  • Trap arm
  • Cleanout plug
  • Strainer
  • Sink clips
  • Sealant
  • Trap primer

Parts of a Sink and Their Functions

Basin

The basin is a stylish, bowl-shaped design that efficiently collects and directs water wherever it’s needed. From washing dishes to bathing small animals, it’s versatile.

Each basin has a unique design made in various materials, colors, and textures. Some use attractive materials like marble or volcanic rock, while others feature complex designs and hand-painted finishes.

Drain

A small opening at the bottom of a basin efficiently channels water away from your sink and down into the depths of the plumbing system. This small component is the drain.

Without your sink would quickly become a stagnant pool of water. It would overflow and pose a potential hazard to your health and hygiene. It plays a crucial role in keeping your home running smoothly.

Faucet

Out of the different parts of a sink, the faucet is the most important part. It is a device that controls water flow into a sink. Gone are the days of struggling with leaky or squeaky faucets that waste water and drive up utility bills.

Today’s faucets have innovative features. These include touchless activation, water-saving aerators, and temperature and pressure control. These features enhance the user experience while promoting water conservation.

With various materials and finishes available, including stainless steel, bronze, and brushed nickel, faucets have become a critical element in kitchen and bathroom design.

Parts of Faucet, Names & Diagram

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Mounting Hardware

Sink mounting hardware may seem like a minor detail, but preventing potential water overflow.
However, not all sink mounting hardware is of the same size.

Depending on the sink’s size, shape, and weight, as well as the material of the countertop or vanity, the appropriate mounting hardware must be selected. Generally, the material of this hardware is stainless steel or plastic.

Overflow

The overflow mechanism is a necessary feature of the plumbing system. It is a small opening near the top of a sink or basin that comes into play when water levels reach their maximum limit.

In such cases, the overflow provides an alternate pathway for the water to drain from the sink. It prevents it from spilling over and causing damage to the surrounding area.

Interestingly, overflows are not only present in household fixtures like sinks and basins. They can also occur in industrial-sized tanks and vessels used in various industries. These massive overflows are designed to handle millions of gallons of water and other fluids.

P-trap

The P-trap’s innovative design serves a vital purpose in keeping your living environment safe and hygienic. The P-trap’s curved design forms an unbreakable water seal. This seal prevents the attempts of hazardous gases and particles to enter your house.

It ensures that your indoor air quality becomes good and provides a refreshing environment. But that’s not all – the P-trap is also preventing clogs and blockages in your plumbing system.

When water flows through its curvy design, it creates a swirling vortex that dislodges obstructions. It keeps your pipes free and clear of blockages.

Tailpiece

Connecting the drain to the P-trap and ensuring the smooth flow of water and waste from your sink or basin. It may be a small component, but it plays a crucial role in keeping your plumbing system running smoothly and preventing costly clogs and backups.

Tailpieces are available in various materials, including PVC, chrome-plated brass, and stainless steel, each with unique benefits and drawbacks.

PVC tailpieces are lightweight, easy to install, and affordable, while chrome-plated brass tailpieces are more durable and corrosion-resistant. Stainless steel tailpieces are the most durable and long-lasting option but can be more expensive.

The length and diameter of your tailpiece can also significantly impact the performance of your plumbing system. A tailpiece that is too long can cause slow drainage and backups, while one that is too short can result in leaks and water damage.

Regular maintenance and cleaning of your tailpiece are essential to prevent clogs and keep your plumbing system functioning correctly.

Water Supply Lines

Water supply lines deliver clean and safe water for various domestic and commercial purposes. They serve as the veins and arteries of a plumbing system. These lines ensure a steady water flow to faucets, sinks, showers, and other fixtures.

With water supply lines, buildings could meet basic needs such as drinking, cooking, cleaning, and sanitation. Without them, serious health and hygiene problems may arise.

That’s why it’s essential to use high-quality materials, such as copper, PEX, or CPVC, to ensure durability and longevity.

Pop-up Drain Stopper

A pop-up drain stopper is a simple yet innovative device that prevents water from draining out of a sink. With a simple push of a button or pull of a lever, the stopper rises and creates an airtight seal against the sink.

It effectively locks in the water and prevents any escape. It means you can fill up your sink and wash dishes, soak laundry, or even take a luxurious bubble bath.

Many models have additional features that take their functionality to the next level. For example, some stoppers have built-in overflow protection, which prevents water from spilling over the top of the sink and causing a mess.

Others feature anti-clog technology, which helps to keep your drain clear and prevent bad blockages from forming.

Pop-up drain stoppers come in a wide range of materials and finishes, from sleek stainless steel to eye-catching chrome and everything in between.

Rim

A good sink design is important for both practicality and looks. A raised rim is handy to stop water from spilling and safeguard surfaces. The rim is usually made of stainless steel or porcelain to give the sink a look.

Escutcheon

An escutcheon is not just a simple decorative plate to cover up the holes in your bathroom or kitchen countertop where your faucet and handles are mounted. It’s a unique accessory that can elevate your space’s style and functionality.

As a decorative piece, escutcheons come in various materials, shapes, and finishes. From luxurious marble to modern acrylic. You can choose a style that complements your bathroom or kitchen’s design.

They protect your bathroom or kitchen walls from water damage and mildew growth by preventing water from seeping into the wall behind your fixtures.

Supply Valves

These valves prevent leaks, bursts, and other water-related disasters in your home or building.

When it comes to your faucets, supply valves are critical. They regulate the water flow, allowing you to enjoy a steady stream. It’s just right for washing dishes, brushing your teeth, or taking a relaxing shower.

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Trap Arm

The trap arm joins the P-trap and the main drain line for waste removal. It helps avoid blockages in the plumbing system, which can cause foul odors, messy backups, and potential health hazards. It is necessary to maintain your trap arm regularly to avoid such plumbing problems.

Cleanout Plug

A cleanout plug is like a guard for your sewer system, keeping out debris and pests. Its main job is to make it easy to reach the sewer line for quick cleaning and unclogging when needed.

Strainer

A strainer is like a filter in a pipe system. Its job is to catch solid stuff as the liquid goes through. It has tiny holes that let liquid pass but stop small solid things. The size of these holes decides what size particles the strainer can catch.

Sink Clips

Epoxy sink clips are essential for securing under-mount sinks effectively. These clips provide stability by allowing easy adjustments in both vertical and horizontal positions.

With their unique design, they make precise adjustments simple, ensuring a secure installation. Epoxy sink clips are necessary for reliable and user-friendly under-mount sink installation.

Sealant

This specialized adhesive prevents liquids from seeping into the cracks. A sealant not only provides functionality but also adds style. It enhances the appearance of your bathroom or kitchen, creating a sleek and polished look.

Trap Primer

The trap primer constantly monitors the drainage system and ensures the water seal remains intact.
Without this device, the P-trap could dry out. It could create a hazardous environment for you and your loved ones. But trap primer protects from the threat of toxic fumes.

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