How to Remove Flow Restrictor on Delta Bathroom Faucet

Emily Jul 26, 2026

Have you recently bought a new delta bathroom faucet, only to find that the water pressure is disappointingly low? You're likely dealing with a flow restrictor, a small device installed in many modern faucets to regulate water flow and conserve water. While this is an environmental benefit, it can be frustrating when you're eager for a powerful spray. The good news is that removing the flow restrictor is a simple task you can do yourself, and we're here to guide you through it step by step.

Delta® Arvo® Two Handle Centerset Pull-Down Bathroom Faucet (Recertified), 25840LF-CZPD
Delta® Arvo® Two Handle Centerset Pull-Down Bathroom Faucet (Recertified), 25840LF-CZPD

Before you start, it's crucial to understand that removing the flow restrictor will completely eliminate water restriction in your faucet. This means that you'll use more water with each use, so it's something to consider, especially if water conservation is a priority for you. Once you've made your decision and gathered your tools, let's dive into the process.

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How To Remove Hidden Aerators In Delta Faucets - Hunker

Identifying and Accessing the Flow Restrictor

The flow restrictor is typically located inside the faucet's aerator, the screen at the end of the spout that breaks up the water flow into a fine spray. It can also be found in the valve body or handle assembly, but these locations are less common.

Removing the flow restrictor on a WaterPik (water saver)
Removing the flow restrictor on a WaterPik (water saver)

To access the flow restrictor, you'll first need to remove the aerator. Here's how:

Aerator Removal

Delta Faucet Repair Parts
Delta Faucet Repair Parts

Start by turning off the water supply to your faucet. This is usually done by turning the valve under the sink counterclockwise until it stops. Once the water is off, open the faucet to relieve any remaining pressure in the lines.

Next, look for the aerator at the end of your faucet's spout. It's usually held in place by a retaining nut. Using an adjustable pliers or your fingers, carefully unscrew and remove the nut. You may need to wrap the nut in a cloth to protect it from scratches. Once the nut is off, the aerator should unscrew by hand and come off easily.

Locating the Flow Restrictor

How To Remove Flow Restrictor From The Kitchen Faucet?
How To Remove Flow Restrictor From The Kitchen Faucet?

With the aerator removed, you should now see the flow restrictor. It looks like a small mesh screen or a plastic disk with small holes. If you don't see it immediately, don't worry. It might be hidden further inside the faucet.

If you're having trouble finding it, consult your faucet's manual or look up your specific model online. Some flow restrictors are located in the valve body or handle assembly, and removing these may require more disassembly and specialized tools.

Removing the Flow Restrictor

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How to Remove Water Restrictor From Delta Shower Head in 7 Steps

Once you've located the flow restrictor, it's time to remove it. The method for removal varies depending on the type of restrictor you have:

Mesh Screen Restrictors

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a faucet with water running out of it
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Delta Porter Shower Head Low Water Flow Pressure  - Remove Restrictor to Increase Water Flow
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If your restrictor is a small metal mesh screen, you can usually just push it out of the way or remove it entirely. To do this, insert a thin, flathead screwdriver into the faucet's opening and gently push the screen out.

Be careful not to damage the delicate metal screen, and make sure you push it out completely to eliminate the restriction. If you're having trouble pushing it out, try using a pair of needle-nose pliers instead.

Plastic Disk Restrictors

Some flow restrictors are made of plastic and have small holes to restrict water flow. To remove these, you'll need to drill or punch out the center of the disk. This will create a larger opening, allowing more water to flow through.

To do this, use a small drill bit or a center punch to make a hole in the center of the disk. Once you've made a starter hole, you can use a larger drill bit to enlarge the opening. Be careful not to drill completely through the plastic, as this could cause leaks in your faucet.

After removing the flow restrictor, reassemble your faucet by reversing the steps you took to disassemble it. Remember to turn on the water supply again once you're done.

Other Removal Methods

If your faucet has a different type of flow restrictor, you may need to use a different removal method. Some restrictive methods might include cutting the restrictor with a knife or pulling it out with pliers. Always use caution when working with sharp objects and ensure you're using the correct tool for the job.

Once your flow restrictor is removed, turn on the faucet and test the water pressure. You should notice a significant increase in the water flow. If you don't, double-check that you've removed the restrictor completely and that there are no obstructions blocking the water flow.

Alternatives to Removing the Flow Restrictor

If you're concerned about water conservation but still want to improve your faucet's water pressure, consider these alternatives to removing the flow restrictor:

Washing Machine Hoses

Using a steel braided washing machine hose instead of a standard rubber one can increase water pressure in your home. These hoses use kinks and restrictions to limit water flow, which can sometimes be reversed to increase pressure.

To do this, look for a small plastic cap on the end of the hose. Remove the cap and use a small screwdriver to reverse the restrictor inside. This will allow more water to flow through the hose, increasing water pressure throughout your home.

High-Pressure Aerator

If you've removed the flow restrictor and still want to limit water flow, consider installing a high-pressure aerator. These aerators are designed to create a powerful spray while still limiting water flow. They use tiny openings and internal screens to regulate water flow, providing both water-saving and high-pressure benefits.

To install a high-pressure aerator, follow the same steps you used to remove the original aerator. Once the original aerator is off, simply screw on the new one and turn on the water supply.

Removing a flow restrictor from your delta bathroom faucet can effectively boost your water pressure, providing a more powerful and satisfying spray. Always remember to consider the implications of water conservation before proceeding, and don't hesitate to explore alternative solutions if you're unsure. If you've carefully followed the steps outlined here, you should now be enjoying a robust water flow from your faucet. Happy plumbing!