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What Is A Toilet Siphon Jet: Are They Worth It?

Siphon jets are located in most toilets. They are the latest advancement in toiletry technology. It assists in enhancing the flush’s power without increasing the volume of water used.

What is a toilet siphon jet?

A toilet siphon jet helps to keep your toilet bowl clean. It helps in the mechanism of flushing. It’s mostly related to the siphon tube and the toilet tank. It prevents the gas from coming outside the system. However, it can also have various problems like clogging.

That’s all to know about the basics of siphon jets. But, there’s more to know about their functions and limitations

Do you want to find out? Let’s get to work!

Mechanism of A Toilet Siphon Jet

Toilet siphon jets are responsible for flushing. They leave the toilet bowl empty and clean. Their mechanism is quite simple and divided into two- siphon tube and toilet tank. Let’s find out how it works.

Siphon Tube

The drainpipe that runs through the toilet is referred to as a siphon tube. The siphon tube, often known as  “P-traps,” are curved to prevent sewage gases from entering the bathroom. The water in the siphon tube’s lowest part acts as a valve.

It works to keep sewage gases out of the system. It also generates a partial vacuum in the tube’s air-filled section.

Toilet Tank

The tank stores enough water to fill the siphon tube and overcome the partial vacuum. When you flush the toilet, water rushes from the tank into the bowl. Then it enters the bowl via the siphon jet as well as smaller holes in the rim. 

The water level inside the siphon tube rises as a result of the rapid input of water. Water and waste are forced up the tube and down the drain by this device.

These were the two mechanisms responsible for a toilet siphon jet to work. 

Problems Related To Toilet Siphon Jet 

There might be many reasons why your toilet is clogged. And there are ways to fix a clogged toilet. But how can you determine whether the issue is with your siphon jet? Well here are some symptoms you should look for.

Toilet Doesn’t Flush Properly

If your toilet isn’t flushing as well as it should, it’s a symptom that it’s clogged. While flushing, you should be able to detect whether there is a problem with the jet. In most situations, water will either flow straight down the bowl. Or it will splutter about, depending on the flush.

It can be resolved with a plunger or a toilet auger.

Toilet Taking Longer To Drain

When the toilet takes longer to empty, this is another indicator that your jets are stuck. This indicates that the water jets are not discharging water at the same pressure.

To fix this, one spoonful of dishwashing soap should be poured into the overflow pipe. Allow 10 minutes for the dishwashing soap to trickle down the overflow pipe. 

Inadequate Water In Bowl

This happens if your toilet siphon jet is not releasing enough water. But beware, toilets having inadequate water and toilets not filling are two different problems.

This issue can be addressed by changing the worn pipes.

Hard Water Clogging

Calcium-mineral buildup over the large opening is one of the most common causes of toilet blockages. This type of accumulation is caused by hard water.

As a result, the more you flush, the more these hard water particles cluster together. To fix this, you can do what you did for toilets taking longer to drain.

Not Maintaining Siphonic Toilet System

The toilet siphon jet may become clogged if you do not properly maintain your siphonic toilet system. When these jets are left filthy on a frequent basis, they can swiftly degrade.

But you don’t have to go through all that trouble. Every toilet has these issues now and again. Wall-hung toilet problems are far more complex than these problems.

3 Easy Steps To Keep Your Toilet Siphon Jet Clean

Toilets can be blocked if you don’t take care of the toilet siphon jets. So to avoid suffering, here are some easy steps you can follow. Also, here are some items that you can use-

  • Baking soda
  • Toilet brush with stiff nylon bristles
  • Hand Gloves
  • Bleach or detergent
  • Distilled white vinegar
  • Bleach or detergent

All of these items should be available at your home. However, if you’re looking for an effective toilet brush that has stiff nylon bristles, we’ve picked some:

Product 1
Product 2
Product 3

If you’ve managed all the items, let’s get into the process.

Step1: Getting Bacteria Out

Use detergent and bleach, or vinegar and baking soda to get rid of bacteria. Abrasive cleaners should be avoided since they might damage the porcelain.

Step 2: Cleaning Inside and Outside of The Siphon Jet

First, cut off the toilet’s water supply and make sure the toilet bowl is completely dry. Then apply a baking soda and vinegar mixture and let it sit for a while. 

After half an hour, brush the sides gently with a scrub. It’s really amazing how baking soda can help to fix so many things like removing vomit smells

Step 3: Removing the Mineral Deposits

Installing a water softener lowers the mineral levels in the water. This is one approach to solve this problem. 

See? It wasn’t that hard, was it? We hope you can pull this off pretty easily. 


Question: How can you naturally soften hard water?

Answer: Washing soda can be used to soften both temporary and permanent hard water. In simple terms, the calcium and magnesium in hard water are dissolved by washing soda.

Question: Is there a jet hole in every toilet?

Answer: Well, most toilets have a siphon jet hole. Most toilet bowls have been designed such that water enters the rim and exits through the holes 

Question: Are toilet siphon jets and gravity flush the same?

Answer: No, they are not the same. Siphonic jet toilets produce cleaner bowls. On the other hand, gravity flushes are impossible to clog and saves a lot of water.


We hope you could gather a clear idea about a toilet siphon jet. We hope we were able to assist you with your questions. But don’t be hesitant if you have anything you’d want to share with us.

Make sure to always keep your toilet clean. Till then, best of luck!