A Beginner's Guide to Replacing a Faucet Without Leaks

 Replacing a faucet might seem like a job best left to a plumber, but with the right tools and a little preparation, it's a task many homeowners can handle themselves. Whether replacing an old, leaky faucet or simply giving a new look to your kitchen or bathroom, doing it yourself can save money and provide a sense of accomplishment, if done right. The key? Avoiding leaks from the start.

Choose the right replacement faucet

Before you begin, make sure you purchase a faucet that fits your sink configuration. Most sinks have one, two, or three holes. Count the holes in your current configuration and choose a faucet that matches. Many modern faucets come with optional base plates to cover the extra holes, which can offer more flexibility.

Also, check that your water supply lines (hot and cold) are compatible with the new faucet. Otherwise, you may need adapters or new hoses, both of which are inexpensive and available at any hardware store.

Turn off the water supply

Under the sink, you should find two shut-off valves: one for hot water and one for cold water. Turn both clockwise until they stop. Then, open the faucet to release the pressure and make sure the water flow is completely stopped. It's a good idea to place a bucket or towel under the sink to catch any residual water when you disconnect the old hoses.

Remove the old faucet

Use an adjustable wrench to disconnect the supply lines from the faucet. Then, from under the sink, locate the mounting nuts holding the faucet in place. They can sometimes be tight or corroded, especially in older homes, so a wrench or penetrating oil may be needed to loosen them. Once the nuts are removed, carefully lift the old faucet out of the way.

Thoroughly clean the sink surface before installing the new one. Old mineral deposits or plumber's putty residue can compromise the seal.

Install the new faucet

Follow the manufacturer's instructions for the new faucet. Most models come with a rubber or plastic gasket that fits between the faucet and the sink surface to prevent leaks. If your faucet doesn't have one, or you want extra protection, apply a thin layer of plumber's putty or silicone around the base before installing it.

Insert the faucet through the mounting holes and secure it from below using the included nuts or brackets. Tighten everything evenly, but not excessively, to avoid breaking components or deforming the gasket.

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