water leak checking

Showers, sinks, bathtubs, and toilets share the home’s main drain line. The home’s water supply system supplies water to all the faucets, while the home’s DWN (drain-waste-vent) system is similarly connected to the kitchen and bathroom sink.

Small plumbing drains are used in bathtubs and sinks. However, they join into bigger drainage pipes that mix sewage waste from various locations throughout the house.

The pipes may connect to larger pipes or drain into the septic tank as they are, based on the dimensions of your home. At some point, all the drain pipes join the main sewer line that empties into the septic tanks. You can circumvent airlocks, assure smooth wastewater flow, and avoid backflow by installing a common vent.

Differences Between a Kitchen Sink and a Bathroom Sink

The distinguishing factor between a kitchen sink and a bathroom sink is that a kitchen sink can be connected to more than just a faucet. Examples of these additional fixtures include; a dishwasher, water filter, and garbage disposal. The majority of bathroom sinks are only fitted with a drain and a faucet.

How Does a Sink Drain Function?

The drainage system is a network of different parts from the sink drain. A sink drain is made up of several parts with unique uses. They make up the various mechanisms through which a sink drains.

From the very top, a strainer is fitted inside the strainer body, inserted through a sink hole, and then attached to the sink by a bead of plumber’s putty or adhesive in kitchen sinks. The tailpiece of the drain and the entirety of the drain pipes are joined by the strainer body, which is located beneath the sink. If it is present, a particular strainer body can be directly mounted to the garbage disposal.

Although most bathroom sinks lack a strainer, they are equipped with a pop-up stopper that makes it possible to fill the sink with water. Thereafter, the pop-up stopper plugs into a connected drain body. A metal washer, rubber gasket, and retainer tighten or a substantial locknut fastens the body onto the sink from below.

A threaded coupling attaches a tailpiece to the strainer body. The major components of the drain trap, a short-threaded nipple, and the tailpiece are connected at a tee by slip-joint couplings in the drainpipe. The nipple and the connector are covered at the cabinet’s back or on the wall by a trim piece known as an escutcheon. The trap allows wastewater to flow through the drainpipe, which leads down to the mainline.

Sink Trap

An underground J-shaped pipe known as a sink trap is used to catch hazardous sewer fumes before they enter a home. P-trap is the name of the most popular trap.

Water flows through the traps and drainpipe when it drains from a sink. However, some water is collected and kept in the curve of the trap since the drainpipe is positioned higher than the pipe’s trap or curved section. By creating a seal, this water prevents sewage gases from moving up via the bathroom drain or kitchen sink drain. The water inside the trap automatically changes each moment you use your sink.

Threaded couplings join the trap to the drainpipe and tailpiece or trap of the sink drain. Each coupler has a sizable rubber washer that creates a leakproof seal.

Types of Sink Drains

There are several types of sink drains that you could choose to have us install in your kitchen sink or bathroom, depending on the type of sink you have in place. Some examples include:

  • Pop-up sink drains

Sinks that are primarily used for hand-and face-washing ought to have pop-up sink drains. Pop-up drains don’t have overflow protection, so you can fill your sink with water. As a result, rushing water should be monitored closely. Pop-up drains are ideal for use in bathrooms.

  • Grid drains

The grid drains are the most common sink drains intended for use in vessel sinks(bowl-shaped).  Grid drains enable continuous water flow without worrying about overflow because they are not designed to open and close.

  • Lift and turn sink drains

Unlike other types of sink drains, the lift and turn sink drains can be utilized with many different sink types, including under-mount, drop-in, vessel, and sinks without overflow. Lift-and-turn drains turn to retain water and lift to drain it.

Facts About Kitchen Sinks and Bathrooms Using the Same Drain Pipes

They are joined via the vents, enabling simple construction or installation. Additional fixtures can be added to the system to connect it to the mainline.

Due to the limited area, connected bathroom and kitchen sink drains are ideal for apartments and basements.  Although the connected drainages help you save money, they require additional care.

The kitchen sink drain has smaller diameter pipelines than the bathroom’s extensive drainage system. Grease and food residues are more likely to accumulate in the kitchen sinks and clog the drain lines. They must be cleaned frequently because if they do not properly drain, they will result in backflow.

Most households prefer to combine their drain lines because running two independent drain pipes is typically expensive. However, installing a common vent within a 1.5 meter radius is essential to enable wastewater to pass via both drains without creating an airlock.

The vent in such a situation enables the smaller sink drain to flow into the larger toilet drain lines. When you flush your toilet or run water on your sink, the toilet vent facilitates the wastewater flow from your house into the sewer or septic tank at the far end of your drainage system.

Do You Want to Know More About Kitchen and Bathroom Drains? Welcome to Arvada Plumbing Company

At Arvada Plumbing Company, we offer the best plumbing system installation, including the construction of connected kitchen and bathroom sink drains. Our expert plumbers are well equipped and skilled to handle the quality installation of a drain system of any size.

Contact us at 303-500-0437 for a free estimate for your next plumbing project. Visit our offices at My Arvada Plumber 12191 W 64th Ave today to get more information on our services.

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