Miles SinclairBy Miles Sinclair

Updated November 2026

Removing a Delta kitchen faucet is a straightforward job once you know the order of operations. You will shut off the water supply, disconnect the supply lines, release the mounting hardware and lift the faucet out of the sink. Most homeowners can finish the task in under an hour with basic hand tools.

Before You Start: Shut Off the Water and Gather Tools

Locate the two shutoff valves under the sink, one for hot water and one for cold. Turn them clockwise until they stop. Then open the faucet to relieve pressure and let any remaining water drain into a bucket.

Shopping for one? See our guide: 7 Best Delta Kitchen Faucet Parts (2026): Repair-Ready Picks.

Clear the cabinet, then gather what you need before you touch anything.

  • Adjustable wrench or basin wrench
  • Bucket and towels
  • Flashlight or headlamp
  • Phillips and flathead screwdrivers
  • Plumber’s putty or silicone for reinstallation

How to Disconnect the Supply Lines and Spray Hose

Place the bucket under the shutoff valves and loosen the flexible supply lines with your wrench. Hold the valve body steady with a second tool so you do not twist the pipes behind the wall. Once the lines are free, unthread the spray hose from its docking clip under the sink and disconnect the counterweight if your model has one.

Many Delta models use a quick-connect fitting for the sprayer. Press the release collar while pulling the hose gently to separate it.

Remove the Mounting Nut and Lift Out the Faucet

Under the sink, you will find a large mounting nut or a set of retaining clips that hold the faucet base to the sink deck. A basin wrench reaches these in tight spaces. Turn the nut counterclockwise and remove the washer and gasket beneath it.

Once the hardware is off, lift the faucet straight up. If it resists, check for leftover putty or caulk around the base and cut through it with a utility knife. Pull steadily rather than rocking the unit, which can crack the sink finish.

Clean the Sink Deck Before Reinstalling

Scrape away old plumber’s putty or silicone, then wipe the mounting surface dry. A clean deck helps the new gasket seal and keeps the faucet level.

Common Mistakes to Avoid

  • Skipping the shutoff step. Even a small amount of water in the lines can flood the cabinet.
  • Forcing a stuck nut with pliers, which can scratch chrome or strip the nut.
  • Losing small parts such as the gasket, washer or clips. Lay them out in order.
  • Overtightening the supply lines, which can crack plastic fittings.
  • Pulling the faucet up before disconnecting the sprayer hose, which can damage the hose or its docking clip.

A basin wrench is the single most useful tool here because it reaches the mounting nut behind the sink. View on Amazon

A bucket with a towel set keeps residual water off the cabinet floor while you work. View on Amazon

A headlamp frees both hands and lights up the dim space under the sink. View on Amazon

FAQ

Do I need to turn off the main water supply?

Usually no. The individual shutoff valves under the sink are enough for faucet removal. If those valves are old or do not close fully, shut off the main supply at the house to be safe.

Can I remove the faucet without a basin wrench?

Yes, but it is harder. An adjustable wrench can work on the mounting nut if you have room, though a basin wrench gives much better access in tight spaces.

Should I replace the gasket when I remove the faucet?

It is a good idea. Gaskets compress over time, and a new one helps prevent leaks when you reinstall. If you are also having drip or cartridge problems, consult a licensed plumber for a full inspection.

Conclusion

Removing a Delta kitchen faucet comes down to shutting off the water, disconnecting the lines and sprayer, then releasing the mounting nut. Take your time, keep small parts organized and clean the sink deck before reinstalling. With those steps done, you are ready to install a replacement or repair the existing unit.

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Miles Sinclair

About Miles Sinclair

Miles Sinclair is part of our editorial team and reviews and edits our kitchen faucets & sinks guides, checking product details against manufacturer specifications and owner feedback.