How to rough in a double sink vanity

One of the significant problems related to vanity plumbing is how to rough in a double sink vanity. The siphoning of the sink, faucets, and plumbing makes the environment and equipment inside the cabinet dirty and neutral. It may cause the growth of bacteria and micro-enzymes in the under-cabinet due to negligence. So it is better to repair it.

There are several reasons for water leakage from the bottom of the sink and sink. Usually, when installing sinks and dishwashers, siphons and pipes related to faucets are installed correctly, but after some time, the appliances under the sink and sink may become defective.

Another reason that causes leakage from the bottom of the dishwasher and sink is the failure of the valve and related hoses.

This should be done by repairing the urinal valve or replacing the single-leg hoses. A later probable cause is plumbing that should be done with pipe unclogging methods. This article discussed how to rough in a double-sink vanity in 2023.

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The steps of plumbing for double sink vanity

To learn how to rough in a double sink vanity in a primary and precise way, it is enough to follow all these steps carefully and execute them step by step.

1. Video Guide

If you have just bought the sink or its pipes, there is a video guide for connecting Double vanity plumbing, and you can get help from it. After that, you open the package, put all the washers and pipes to close the pipes of the twin sinks so that the washers are side by side, the pipes are side by side, etc., until it’s time to close what you want to know and don’t look for washers or pipes when plumbing the dishwasher.

2. Connecting steel nets on the sink

To close the pipes under the sink, take two mesh nets and place them on the holes in the basin from inside the basin. Ensure that nothing is placed under these and steel nets inside the sink basin. To close the sewer pipe of the sink, these nets must be placed directly on the sink.

How to do plumbing for a Double Sink vanity?

After the first step of how to rough in a double sink vanity, The central part of installing all types of Double bathroom sinks is to connect the pipes.

The vanity plumbing diagram under the sink is not the same for all sinks and is different; instead, they all use the same type of pipe and the same type of connection to connect the pipes. So, if you know the general rule of connecting pipes, you can do it yourself, even without a guide.

Fastening plastic beads

These beads have two sides. One side inside has threads or grooves to tighten it, and the other is the outside of the nuts. The way to close the pipe under the sink is to insert the plastic beads from the smooth side of the pipe into the pipes so that the protrusions of the pipe heads are inside the beads. You should always put a washer of its size inside each nut.

Connecting the pipes from the side that is flat and has no protrusions

In closing all types of connections under the sink, usually each pipe has two nuts on its top and bottom, one side of which has a protrusion, and the other side of the pipe has no protrusions and is smooth.

To place the plastic nut on the smooth side of the pipe, first, place the inside of the nut towards the outside of the pipe, and then insert the smaller washers that look a bit like a funnel and one side is larger into the pipe, in such a way that the larger and thicker side of the washer is facing be placed on the inside of the nut.

How to connect the pipes under the twin sinks to the siphons

In the next step, you have two siphons under the sink, and you need to connect the pipes you have prepared to them. The other side of the pipe should all be connected to one pipe through a tee to have one outlet.

The way to install the dishwashing sink pipe is to connect the end of the pipe, which has a protrusion to the siphons, or the sink bowl with a nut and connect the other side of the pipe, which is smooth to the tee.

How to connect the hose dishwashing pipe to the sewer pipe?

The way to install the connections under the sink is that once you have connected the tee to the inlet of the main siphon, now you have to connect the side of the hose pipe that has a protrusion to the outlet of the main siphon using the same plastic nuts and the outlet to Place it on the side of the main sewer pipe of the building.

On the other side of the hose pipe, connect the large black washer so that the toothed part of the washer goes into the sewer pipe and protrudes about 5 to 10 cm from the hose of the washer opening.

This was the last tutorial step on how to close the connections under the sink. Suppose you put all the connections in the right place. In that case, you can properly direct the water from the sink into the sewer pipe and prevent problems such as clogging the dishwasher siphon and creating a bad smell in the kitchen environment. Water dripping into the cabinet, etc.

In conclusion

If you think you cannot handle Plumbing for double sink vanity by yourself, you can use Unique Kitchen and bath construction service. This article discussed roughing in a double sink vanity in Mission Viejo, California. Don’t hesitate to contact us if you need any help, suggestions, or advice. Unique Kitchen and baths will endeavor to find a solution that works for you. Keep in touch with us by giving us a call or sending an email.