How To Replace Strainer In Kitchen Sink: Avoid Plumber Costs

Are you dealing with a leaky or corroded kitchen sink strainer and wondering how to change a sink strainer yourself? Yes, you can replace your kitchen sink strainer yourself! This comprehensive sink strainer installation guide will provide you with step-by-step instructions and helpful tips to perform a DIY sink strainer replacement, saving you money on plumbing repair for kitchen sink costs. We’ll walk you through the sink strainer removal, kitchen sink strainer replacement, and even how to address a leaking sink strainer fix. Taking care of your kitchen sink maintenance will keep your kitchen in tip-top shape.

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Assessing Your Kitchen Sink Strainer

Before diving into the replacement process, let’s take a closer look at your current strainer to identify any issues and determine the best course of action. This careful observation will help prevent future problems and ensure a successful installation.

Identifying Common Strainer Problems

Recognizing the signs of a faulty strainer is crucial for timely replacement. Here are some telltale signs:

• Leaks: Water pooling around the strainer or under the sink is a clear indication of a failing seal. This is the most common reason for a leaking sink strainer fix.
• Rust or Corrosion: Visible rust or corrosion on the strainer body or flange can compromise its structural integrity, leading to leaks and potential clogs.
• Cracks or Damage: Physical damage to the strainer basket or flange can prevent a proper seal and lead to water escaping.
• Difficulty Sealing: If the strainer basket no longer creates a tight seal, food particles can easily slip through, causing drain clogs.

Types of Kitchen Sink Strainers

There are two primary types of kitchen sink strainers:

• Standard Basket Strainer: This is the most common type, featuring a removable basket to catch food particles.
• Extended Flange Strainer: This type has a longer body and flange, often used in thicker sinks or when connecting to a garbage disposal.

Knowing which type you have will help you select the correct replacement strainer.

Gathering Your Tools and Materials

Before you start, ensure you have all the necessary tools and materials readily available. This will streamline the replacement process and prevent frustrating delays.

Essential Tools

Here’s a list of tools that will come in handy:

• Adjustable Pliers or Channel Locks: For loosening and tightening nuts.
• Basin Wrench (Sink Wrench): For removing the old strainer’s locknut, especially in tight spaces.
• Putty Knife or Scraper: For removing old plumber’s putty.
• Screwdriver (Phillips and Flathead): Depending on the strainer model.
• Bucket or Basin: To catch water and debris.
• Rags or Paper Towels: For cleaning up spills.
• Gloves: To protect your hands.

Necessary Materials

• New Kitchen Sink Strainer: Choose a replacement that matches your sink’s specifications and material.
• Plumber’s Putty: For creating a watertight seal between the strainer flange and the sink.
• Thread Seal Tape (Teflon Tape): For sealing threaded connections. (Optional, but recommended)
• Dish Soap and Water: For cleaning the sink area.

Step-by-Step Sink Strainer Replacement Guide

Now, let’s get into the actual replacement process. Follow these steps carefully to ensure a successful installation.

1. Preparing the Work Area

• Clear the Area: Remove any items stored under the sink to provide ample workspace.
• Turn Off the Water Supply: Locate the shut-off valves under the sink and turn them clockwise to stop the water flow.
• Disconnect the Plumbing: Carefully disconnect the drainpipe and any connected garbage disposal unit. Place a bucket underneath to catch any remaining water.

2. Removing the Old Strainer

• Loosen the Locknut: Using a basin wrench or adjustable pliers, loosen the locknut located underneath the sink. This nut secures the strainer body to the sink.
• Remove the Locknut and Washers: Once the locknut is loose, carefully remove it along with any washers or rubber gaskets.
• Push Out the Old Strainer: From above the sink, gently push the old strainer body upwards to dislodge it from the sink opening.
• Scrape Away Old Putty: Use a putty knife or scraper to remove any old plumber’s putty or sealant from the sink flange area. Clean the area thoroughly with dish soap and water.

3. Installing the New Strainer

• Apply Plumber’s Putty: Roll a rope of plumber’s putty and press it evenly around the underside of the new strainer flange.
• Insert the New Strainer: Carefully insert the new strainer body into the sink opening from above, ensuring the putty makes full contact with the sink surface.
• Assemble the Components: From underneath the sink, slide the rubber gasket, washer, and locknut onto the strainer body.
• Tighten the Locknut: Use a basin wrench or adjustable pliers to tighten the locknut securely. Be careful not to overtighten, as this could damage the strainer or sink.
• Remove Excess Putty: From above the sink, remove any excess plumber’s putty that has squeezed out from under the flange.

4. Reconnecting the Plumbing

• Apply Thread Seal Tape: Wrap thread seal tape around the threads of the drainpipe connection to ensure a watertight seal.
• Reconnect the Drainpipe: Carefully reconnect the drainpipe to the strainer body, tightening the connection securely.
• Reconnect the Garbage Disposal (If Applicable): If you have a garbage disposal, reconnect it to the strainer body, following the manufacturer’s instructions.

5. Testing for Leaks

• Turn On the Water Supply: Slowly turn on the water supply valves under the sink.
• Check for Leaks: Carefully inspect all connections for any signs of leaks. Pay close attention to the strainer flange, drainpipe connection, and garbage disposal connection (if applicable).
• Tighten Connections as Needed: If you detect any leaks, tighten the corresponding connections slightly. If leaks persist, you may need to disassemble the connection, reapply plumber’s putty or thread seal tape, and reassemble.

Dealing with Common Sink Strainer Issues

Sometimes, even with careful installation, issues can arise. Here are some solutions to common problems.

Leaks After Installation

• Check Putty Seal: If the leak is around the strainer flange, the putty seal may not be adequate. Remove the strainer, reapply fresh putty, and reinstall.
• Inspect Drain Connections: Leaks at drainpipe connections often indicate loose fittings or worn-out washers. Tighten the connections or replace the washers as needed.
• Consider Thread Seal Tape: Ensure thread seal tape has been properly applied to threaded connections.

Stripped Threads

• Replace the Component: If the threads on the strainer body or locknut are stripped, you’ll need to replace the damaged component.
• Use a Thread Repair Kit: For minor thread damage, a thread repair kit may provide a temporary solution.

Difficulty Removing Old Strainer

• Penetrating Oil: Apply penetrating oil to the locknut and let it sit for several hours to help loosen corrosion.
• Heat: Use a heat gun (carefully!) to heat the locknut, which can help break down corrosion.
• Cut the Old Strainer: As a last resort, you can carefully cut the old strainer body using a hacksaw. Be extremely cautious not to damage the sink.

Preventative Kitchen Sink Maintenance

Regular maintenance is key to prolonging the life of your kitchen sink strainer and preventing costly repairs. Here are some tips:

Regular Cleaning

• Remove Food Debris: Regularly remove food particles from the strainer basket to prevent clogs and odors.
• Flush with Hot Water: Periodically flush the drain with hot water to dissolve grease and buildup.
• Baking Soda and Vinegar: Pour a mixture of baking soda and vinegar down the drain, followed by hot water, to clean and deodorize the drain.

Avoiding Drain Clogs

• Avoid Disposing of Grease: Never pour grease or oil down the drain, as it can solidify and cause clogs.
• Use a Strainer Basket: Always use a strainer basket to catch food particles and prevent them from entering the drain.
• Run Water When Using the Disposal: When using a garbage disposal, always run cold water to help flush debris down the drain.

Fathoming the Costs of Professional Installation

The cost of hiring a plumber to replace your kitchen sink strainer can vary depending on your location and the plumber’s rates. However, you can generally expect to pay between \$100 and \$300 for the job, including parts and labor. By performing the replacement yourself, you can save a significant amount of money. The cost of the kitchen sink strainer replacement itself is much lower than a professional service.

Table: Estimated Costs: DIY vs. Professional

Item	DIY Cost	Professional Cost
New Strainer	\$15 – \$50	Included in Labor
Plumber’s Putty	\$5 – \$10	Included in Labor
Tools (if needed)	\$0 – \$30	N/A
Total Estimated Cost	\$20 – \$90	\$100 – \$300

Frequently Asked Questions (FAQ)

• What is the best type of kitchen sink strainer? The best type depends on your sink and plumbing setup. Standard basket strainers are generally suitable for most sinks, while extended flange strainers are better for thicker sinks or garbage disposal connections.
• Can I use silicone caulk instead of plumber’s putty? While silicone caulk can provide a waterproof seal, plumber’s putty is generally preferred for sink strainers because it remains pliable and allows for easy removal if needed.
• Who is responsible for replacing the sink strainer in a rental property? Typically, landlords are responsible for maintaining plumbing fixtures, including sink strainers. However, check your lease agreement for specific details.
• What if I can’t loosen the locknut on the old strainer? Try using penetrating oil and a basin wrench. If that doesn’t work, you may need to carefully cut the old strainer body.
• How often should I replace my kitchen sink strainer? Replace your strainer when you notice leaks, rust, or damage. With proper maintenance, a good-quality strainer can last for many years.
• What happens if I overtighten the locknut? Overtightening can damage the strainer body or the sink itself. Tighten the nut securely, but avoid excessive force.
• What are some signs of needing a kitchen sink drain repair? Signs include slow draining, gurgling sounds, and foul odors emanating from the drain. A leaking sink strainer fix might be necessary, but in some cases, the issues go further than that.

By following this sink strainer installation guide, you can confidently replace your kitchen sink basket strainer and save money on plumbing repair for kitchen sink. Remember to take your time, follow the steps carefully, and don’t hesitate to seek help if you encounter any difficulties. Regular kitchen sink maintenance will help prevent future problems and keep your kitchen sink functioning smoothly.