A sink wrench is a tool used to remove and tighten nuts that secure the faucet assembly to the sink. It has a T-handle and a swivel jaw device, and can work on hex and square nuts. It makes changing a faucet easier and can be used to tighten and remove nuts at any angle.
A sink wrench is a tool designed for one purpose only: to remove and tighten the nuts that secure the faucet assembly to the underside of the sink. A long steel rod with a T-handle at one end and a spring-loaded, swivel jaw device at the other, the Basin Wrench lets you reach hard-to-get nuts from the bottom of the faucet assembly. Commonly constructed with a solid steel handle, the sink wrench is also available with a telescoping steel handle, and there are even plastic models intended for one-time use. The tub wrench design allows it to work on both hex and square nuts.
When changing a faucet, there is typically no room under the sink to maneuver and use an adjustable wrench or even pliers to remove the faucet from the sink. Using a sink wrench, the nuts holding the faucet to the sink can be removed with almost no effort. Once the water supply has been shut off and the supply lines have been removed from the bottom of the faucet with an adjustable wrench, the basin wrench can be used to reach to and under the faucet and remove the retaining nuts. The sink wrench’s hardened, serrated teeth allow it to grip even the most rusty and corroded nuts and turn them.
Once the nuts are removed, the assembly can be lifted up and removed from the sink. The faucet can then be easily serviced or replaced at the plumber’s discretion. When repairing and replacing an original faucet, it is generally recommended to install new retaining nuts on the assembly. If installing a new faucet, many faucet manufacturers recommend applying a small amount of anti-seize to the retaining nut threads to prevent sticking and promote easy removal in the future.
Tightening the retaining nuts is simply the opposite of removing them. The design of the basin wrench allows the jaws to be rotated to virtually any angle, even upside down or upside down, to make it easier to tighten and remove the fixing nuts. With the water supply lines reinstalled and the water turned on, you can check your sink for leaks. Using the sink wrench, the usually time-consuming and difficult task of removing faucet nuts can be turned into a relatively easy and affordable DIY plumbing project.
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