How To Take A Delta Kitchen Faucet Apart

How To Take A Delta Kitchen Faucet Apart

Delta kitchen faucets are known for their durability and functionality. However, over time, you may encounter issues with your faucet that require disassembly for repair or maintenance. Taking apart a Delta kitchen faucet may seem daunting, but with the right tools and knowledge, it can be a straightforward process. In this article, we will guide you through the steps to take apart a Delta kitchen faucet, providing valuable insights and tips along the way.

Tools You Will Need

Before you begin disassembling your Delta kitchen faucet, gather the following tools:

  • Adjustable wrench
  • Phillips screwdriver
  • Allen wrench set
  • Plumber’s tape
  • Bucket or container

Step-by-Step Guide

1. Turn Off the Water Supply

Before starting any work on your faucet, it is crucial to turn off the water supply. Locate the shut-off valves under the sink and turn them clockwise until they are fully closed. This will prevent any water from flowing while you work on the faucet.

2. Remove the Handle

The handle is the first component you need to remove. Depending on the model of your Delta kitchen faucet, the handle may be held in place by a screw or a decorative cap. If there is a screw, use a Phillips screwdriver to remove it. If there is a decorative cap, gently pry it off with a flathead screwdriver to reveal the screw underneath. Once the screw is removed, lift the handle off the faucet.

3. Take Apart the Bonnet Nut

The bonnet nut secures the cartridge inside the faucet. Use an adjustable wrench to loosen and remove the bonnet nut. Turn it counterclockwise until it is fully unscrewed. Be cautious not to damage the nut or the surrounding components while doing this.

4. Remove the Cartridge

Once the bonnet nut is removed, you can now take out the cartridge. Grasp the cartridge firmly and pull it straight out of the faucet body. If it is stuck, you can use a pair of pliers to gently wiggle it loose. Be careful not to apply excessive force, as this may damage the cartridge or the faucet.

5. Clean and Inspect the Cartridge

Before reassembling the faucet, it is essential to clean and inspect the cartridge. Rinse it under running water to remove any debris or mineral buildup. Inspect the cartridge for any signs of damage or wear. If necessary, replace the cartridge with a new one to ensure optimal performance.

6. Reassemble the Faucet

Once the cartridge is cleaned and inspected, it’s time to reassemble the faucet. Insert the cartridge back into the faucet body, making sure it is properly aligned. Use the adjustable wrench to tighten the bonnet nut, turning it clockwise until it is snug. Avoid over-tightening, as this may cause leaks or damage to the faucet.

7. Reattach the Handle

With the cartridge securely in place, reattach the handle. Align the handle with the faucet body and insert the screw or decorative cap. Tighten the screw or press the decorative cap firmly to secure the handle. Ensure that the handle operates smoothly and without any resistance.

8. Turn On the Water Supply

Once you have reassembled the faucet, it’s time to turn on the water supply. Slowly open the shut-off valves under the sink by turning them counterclockwise. Check for any leaks around the faucet and handle. If you notice any leaks, tighten the connections or consider replacing any worn-out parts.

Frequently Asked Questions (FAQ)

1. How often should I take apart my Delta kitchen faucet for maintenance?

It is recommended to perform regular maintenance on your Delta kitchen faucet every 6-12 months. This includes disassembling the faucet, cleaning the components, and inspecting for any signs of wear or damage.

2. Can I use any type of wrench to remove the bonnet nut?

While an adjustable wrench is the most commonly used tool for removing the bonnet nut, you can also use a basin wrench or a specialized faucet wrench. These tools provide a better grip and make it easier to access hard-to-reach areas.

3. What should I do if the cartridge is stuck and won’t come out?

If the cartridge is stuck and won’t come out, try using a cartridge puller tool. This tool is specifically designed to remove stubborn cartridges without causing damage to the faucet. Follow the manufacturer’s instructions for proper use.

4. Can I reuse the old cartridge or should I always replace it?

It is generally recommended to replace the cartridge when disassembling a Delta kitchen faucet. Over time, cartridges can wear out or become clogged with mineral deposits, affecting the faucet’s performance. Replacing the cartridge ensures optimal functionality and extends the lifespan of your faucet.

5. How can I prevent leaks when reassembling the faucet?

To prevent leaks when reassembling the faucet, apply plumber’s tape to the threads of the bonnet nut before screwing it back on. This helps create a watertight seal and reduces the risk of leaks. Make sure to wrap the tape clockwise around the threads.

6. What should I do if I encounter difficulties during the disassembly process?

If you encounter difficulties during the disassembly process or are unsure about any step, it is recommended to consult the manufacturer’s instructions or contact Delta customer support. They can provide specific guidance based on your faucet model and address any concerns or questions you may have.


Taking apart a Delta kitchen faucet may seem intimidating, but with the right tools and knowledge, it can be a manageable task. By following the step-by-step guide provided in this article, you can confidently disassemble your Delta kitchen faucet for repair or maintenance. Remember to turn off the water supply, remove the handle, take apart the bonnet nut, remove the cartridge, clean and inspect the cartridge, reassemble the faucet, and finally, turn on the water supply. Additionally, we addressed some frequently asked questions to further assist you in the process. By properly maintaining your Delta kitchen faucet, you can ensure its longevity and optimal performance for years to come.