Installing a bathroom sink for the first time or replacing an old or shattered one can be tricky especially if you intend to do it yourself. It is recommended to do the installation according to the instructions provided by the manufacturer.

Listed below are some general instructions and precautions you need to consider for a proper, hassle-free, and successful bathroom sink installation project:

Installing bathroom sinks for the first time

01

Before starting the installation process, make sure the water supply directed to the bathroom is switched off.

02

Get all the necessary pipes like hot and cold supply stub outs, transition fittings, shutoff valves, flexible tubing, and air chambers.

03

Do not use many pipes if you want to have a back-to-back arrangement for your bathroom sink. Since a bathroom sink does not rate high in fixture units, it should not affect the efficiency of your current drain greatly.

04

Measure the clearance from one side of your bathroom sink to the toilet tank and the other side to the finished wall. Make sure the clearance from the sink to the toilet tank or the finished wall is more than four inches, while the clearance to the tub should not exceed two inches. There should also be a minimum clearance of 21 inches from the sink’s front edge to the wall or any fixture.

05

To install the shut off valve of your sink, cut at least one-and-a-half inches on your capped supply lines from the finished wall, allowing the escutcheon and compression of your shut off valve.

06

Using a cutter wheel, cut the capped supply lines slowly and carefully to prevent the pipe from compressing or flattening. If you are using a round pipe, expect the compression nut and ring to tighten.

07

Assemble the sink faucet according to the instructions provided on its package. After assembly, you are now ready to put the escutcheon, compression ring, coupling nut, and valve on the sink. While holding the valve outlet up, slide it carefully over the compression ring.

08

Using two crescent wrenches, tighten the coupling nut around the valve. You should hear a squeaking sound when the nut is properly seated around the valve.

Connect the trap to the drainpipe and the drain body.

Restore water pressure and supply. Turn on the faucet and run water into the sink’s basin to check if it is functioning properly or if there are any leaks. When switching on your home’s water supply, do not forget to flush your toilet or run the outside hose valve to eliminate the dirt and air trapped inside the pipelines. These sediments and other debris can cause sink faucet problems and other plumbing troubles.

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