Espresso Machine Pressure Too Low – Breville

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A Breville espresso machine at home lets you enjoy a high-quality espresso drink every now and then. There is no doubt about Breville’s quality. But, proper maintenance is essential to avoid minor instrumental problems.

Espresso Machine pressure is too low – which is a regular headache for many users. However, it is not a big issue and can be fixed at home in general.

In this post, we will cover why you are facing this problem and how you can get rid of it.

Why is my Breville espresso machine not reaching pressure?

Breville espresso machine low pressure

There are multiple reasons behind a Breville espresso machine not reaching the optimal pressure. We are mentioning the common ones here:

Blocked group head:

Blockage in the group head of a Breville espresso machine is the most common reason for low pressure.

During every espresso shot, the group head releases high-pressure water through the portafilter filled with fine ground.

So, chances are the ground can remain inside the group head and block it gradually. However, regular cleaning is the immediate solution to this issue.

Inaccurate amount of ground coffee:

Putting too much or too little amount of ground in a portafilter can cause low pressure too. The ground measurement should always be accurate for each espresso shot.

Wrong grind:

You will need a fine grind to have perfect espresso. Putting a coarse grind in a portafilter instead of a fine grind can immediately reduce the machine’s pressure. Too fine grind can also result in the same.

Insufficient tamping:

Tamping before extraction is an essential step to ensure an even flow of water. If you don’t tamp or do it incorrectly, it can also affect the espresso pressure.

Faulty pump:

Actually, the machine’s pump creates such high pressure of water. So, a pump with a technical fault can lead to low water pressure. The pressure can also be reduced in the case of a clogged pump.

How Much Pressure Should an Espresso Machine Have?

According to espresso experts, an espresso machine’s pressure should have around 9 bars.

A bar is a metric unit used for measuring the pressure of things like scuba tanks and espresso machines.

If the machine’s pressure exceeds 9 bars, it will deliver too strong and thick espresso. On the other hand, pressure lower than 9 bars will prepare weaker espresso.

So, 9 bars are standard pressure for an espresso machine.

Read: Breville Espresso Machine Reviews 2023

Why Is Pressure Important For Espresso?

Espresso is different than regular coffees for many reasons. It requires perfection including optimal water pressure.

An inadequate pressure can generate a negative flavor in espresso.

So, perfect water pressure is essential to have the perfect richness and crema of espresso.

How Do You Check the Pressure on a Breville Espresso Machine?

pressure on a Breville espresso machine

Checking out the pressure on a Breville espresso machine is easier than you think. It is because most Breville espresso machines come with built-in pressure gauges.

To check the machine’s pressure, look at its pressure gauge during extraction. If the gauge shows the pressure around 9 bars, it is fine. However, too high or too low pressure than 9 bars needs to be fixed.

Read: Breville Barista Express water not coming out of group head

How do I increase my espresso range on Breville?

In most cases, fixing the basic things immediately solves the Breville espresso range too low issue. Here are some points you should check out at first.

  • Look over the grinder if it is set to the fine grind.
  • Fill the portafilter with the right amount of ground coffee.
  • Tamp the ground with optimal pressure and ensure accurate ground leveling.

Cleaning the group head is also important for a consistent water flow. You will need nothing but a group head brush to clean it. Here are the steps to follow.

  • Release water through the machine’s group head.
  • Hold the brush against the group head and clean the shower head properly.

Limescale is a common culprit that clogs up an espresso machine. In that case, you have to descale the machine to bring its optimal performance back.

You can use citric acid, white vinegar, or a commercial descaling solution to break limescale inside an espresso machine. Here are the descaling steps using white vinegar.

  • Dilute white vinegar in freshwater.
  • Pour the water into the machine’s reservoir.
  • Run the solution through a machine similar to regular brewing.
  • Refill the tank with fresh water and rinse the machine a few more times.

Read: Breville Under Extraction – Solution!


Breville espresso range too low – is a common issue that you can also face. Uneven water pressure can ruin the quality of your espresso. Who will want to drink a cup of badly extracted espresso?

So, you should check the pressure gauge right after noticing any abnormality in water pressure.

In general, it occurs due to a lack of regular cleaning and carelessness. You can solve the issue almost entirely at home. However, if these fixing tricks don’t work, you should contact a professional immediately.


I currently reside at Millburn, NJ, United States. I'm a skilled barista and roaster known for my passion for coffee and dedication to creating the perfect cup. I have a strong following of loyal customers who appreciate my expertise and friendly demeanor. In my free time, I enjoy trying new coffee recipes and experimenting with different brewing techniques.

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