How To Force A Toilet To Flush

February 18, 2025

Written by: Deane Biermeier / Facts Checked by; Ryan Cullenward / Products Tested by Licensed Interior Designers

  • Home
  • /
  • Blog
  • /
  • How To Force A Toilet To Flush

Having a toilet that refuses to flush properly can be one of the most frustrating experiences in your home. Whether it's a clogged toilet or one that simply won’t flush at all, dealing with a malfunctioning toilet can be an inconvenience. But before calling a plumber, there are several easy methods you can use to force your toilet to flush. These steps will help you get the job done without causing further damage or spending unnecessary money.

In this article, we will outline tried and tested techniques to force your toilet to flush and address common issues that lead to this problem.

Diagnosing the Problem: Why Your Toilet Won't Flush

Before diving into the solutions, it’s essential to understand why your toilet is having trouble flushing. There are several common causes that can result in a toilet that won't flush properly:

1. Clogs: A blockage in the toilet's drain line is one of the most common causes. This can happen due to excessive toilet paper, foreign objects, or too much waste.

2. Low Water Levels: If the water level in your toilet bowl is too low, there won't be enough pressure to push waste through the pipes. This can be a simple fix, but it’s important to identify the cause.

3. Flapper Problems: The flapper is the rubber seal that holds water in the tank until it’s ready to flush. If the flapper is faulty or worn, it may not lift properly, causing a weak or no flush at all.

4. Chain Issues: If the chain attached to the flapper is too loose or broken, it will prevent the flapper from lifting correctly, resulting in a toilet that doesn’t flush.

5. Septic Tank Issues: If your septic tank is full or experiencing issues, it can prevent the toilet from flushing properly. This will require more extensive repairs.

How to Force a Toilet to Flush: Proven Solutions

1. Fixing a Clogged Toilet with a Plunger

One of the first tools you'll need when facing a clogged toilet is a plunger. A plunger can easily dislodge minor clogs and restore normal flushing function. Here's how to use it:

Step 1: Ensure the toilet bowl has enough water to cover the plunger. If necessary, add more water manually.

Step 2: Place the plunger over the hole in the bottom of the toilet bowl, ensuring a good seal.

Step 3: Push the plunger down firmly, then pull it back up with force. Repeat the process several times to break up the clog.

Step 4: Flush the toilet to check if the water drains properly. If the toilet still won’t flush, you may need to use a toilet auger.

2. Using a Toilet Auger for Deeper Clogs

When a plunger doesn’t do the trick, a toilet auger is the next best option. This tool is specifically designed to break up deep clogs that a plunger can’t reach.

Step 1: Insert the toilet auger’s coil into the drain hole.

Step 2: Gently twist the handle to send the coil deeper into the pipes.

Step 3: Once you feel resistance, keep twisting to either break up or hook the clog.

Step 4: Pull the auger out and flush the toilet to ensure proper drainage.

If the toilet still doesn’t flush, the clog may be too deep or serious, requiring professional help.

3. Adjusting the Water Level in the Toilet Tank

Low water levels can cause the toilet to lack sufficient pressure for a proper flush. Here’s how to adjust the water level:

Step 1: Open the toilet tank and check the float. The float is a ball or cylinder that rises with the water level.

Step 2: If the water level is too low, adjust the float to raise the water level. This can typically be done by turning the adjustment screw or sliding the float along its arm.

Step 3: Test the flush by pressing the handle. The water should be at an optimal level for a powerful flush.

4. Replacing a Faulty Flapper

A worn-out or broken flapper can lead to a toilet that won’t flush or one with a weak flush. Here's how you can replace it:

Step 1: Shut off the water supply to the toilet and drain the tank by flushing.

Step 2: Remove the old flapper by unhooking it from the chain and the pegs in the tank.

Step 3: Install the new flapper by hooking it in place, then attaching the chain to the flush lever.

Step 4: Turn the water supply back on and test the flush to ensure proper function.

5. Fixing the Flush Handle or Chain

If the flush handle is broken or the chain is loose, the toilet won’t flush properly. To fix this:

Step 1: Check the handle to see if it’s sticking or not moving freely. If it’s broken, you’ll need to replace it.

Step 2: Inspect the chain that connects the handle to the flapper. If the chain is too loose or too tight, adjust it for optimal performance.

Step 3: Test the flush to make sure the handle and chain are functioning properly.

6. Assessing and Cleaning the Fill Valve

A clogged fill valve can prevent the tank from filling with water properly, leading to a weak flush. To clean it:

Step 1: Turn off the water supply and drain the tank.

Step 2: Remove the fill valve cap and clean it with a brush to remove any debris or buildup.

Step 3: Reassemble the valve, turn the water supply back on, and check for proper filling and flushing.

7. Calling a Professional Plumber for Persistent Issues

If you've tried all the above methods and the toilet still won’t flush properly, it may be time to call a plumber. Persistent issues like septic tank failure or deep-rooted clogs may require professional tools and expertise.

Preventing Future Toilet Flush Problems

Once you have successfully fixed your toilet, it’s essential to take steps to prevent future flushing issues. Here are some tips:

Avoid excessive toilet paper: Too much toilet paper can cause clogs. Try to use the right amount each time.

Teach family members not to flush foreign objects: Items like wipes, sanitary products, or even toys can create significant blockages.

Regularly clean the toilet and tank: Build-up of grime or mineral deposits can interfere with the toilet’s flushing performance.

Conclusion

A toilet that won't flush can be an irritating problem, but there are several methods you can use to force it to flush properly. Whether it’s a simple clog, a low water level, or a broken flapper, these DIY solutions can help restore your toilet to its full functionality without the need for a costly plumber. By understanding the common causes of toilet flushing issues and following the steps outlined above, you can tackle this problem effectively and prevent it from happening again.

Disclosure: Sanitarysupply.org receives an affiliate commission on some, but not all, of the products we recommend—but only if you decide to click through to the retailer's site and make a purchase.


You may also like

Why Is My Toilet Not Filling Up With Water

A toilet that isn’t filling up with water can be a frustrating issue, often leading to confusion and stress. However, it is important to understand that this problem is quite common, and with the right knowledge and tools, it can be fixed quickly. If you are experiencing this issue, it’s crucial to identify the underlying

Read More

How To Get Rid Of Brown Hard Water Stains In Toilet

Hard water stains are a common problem in many households, especially in areas with high mineral content in the water. The brown stains that develop on toilet bowls can be unsightly and difficult to remove. These stains are caused by the buildup of minerals such as calcium, magnesium, and iron, which are found in hard

Read More

How To Adjust Water Level In Toilet Bowl

Adjusting the water level in your toilet bowl is an essential part of home maintenance. Whether you’re dealing with a toilet bowl that is constantly overfilling or one that doesn’t have enough water, it’s crucial to ensure the right water level for efficient flushing and preventing unnecessary water wastage. A proper water level can also

Read More

How To Remove Hard Water Stains From Toilet

Hard water stains in the toilet are a common nuisance faced by homeowners. These stains, caused by minerals like calcium and magnesium found in hard water, can be stubborn and unsightly. Fortunately, there are effective and simple methods to tackle these stains and restore your toilet to its pristine condition. In this article, we will

Read More

Never miss a good story!

Subscribe to our weekly newsletter to keep up with the latest trends!