One of the handiest and most vital pieces of equipment on a espresso machine is the Manometer, or pressure gauge. With the pressure gauge you can check 2 types of pressures on a coffee machine. one is the pump pressure and the other one is the boiler pressure. In some cases you will find one of them, mostly both or a combination of it. With all the electronics used on modern espresso machines, it is more common that you won’t find either of them on a espresso machine. Seen the pressure is measured digitally. Below you will find a overview of all the types and models of manometers.
On this product page you will find a double manometer suitable for various Faema and Bezzera espresso machine models. The Bezzera part reference for this item is 7432524 The pressure gauge has on top the boiler pressure, which goes from 0 to 3bar. At the bottom you have the pump pressure this range goes from 0 to 15bar. The body of this...
On this product page you will find a boiler pressure gauge used in a variety of espresso machines made by the brand La Cimbali. The part reference for this item is 450-524-000. The boiler pressure manometer has a range from 0 to 2,5 bar. The body of this manometer is 57mm and the rim is 60mm. The connection on the back is a male 1/8” BSP-G thread....
On this product page you will find a pump pressure manometer. This manometer can be used on various Gaggia espresso machines. The Gaggia part reference of this item is DM1599. The pressure gauge goes from 0 to 15 bar. The outer diameter of the body is 39mm. The rim diameter is 44mm. On the back of this pressure gauge is a male 1/8” BSP-G thread....
On this product page you will find a boiler pressure manometer. This manometer can be used on various Gaggia espresso machines. The Gaggia part reference of this item is DM1600 . The pressure gauge goes from 0 to 3 bar. The outer diameter of the body is 39mm. The rim diameter is 44mm. On the back of this pressure gauge is a male 1/8” BSP-G...
On this product page you will find a rectangular shaped pressure gauge. This type of pressure gauge can be used on the Gaggia Tell espresso machines. This pressure gauge is suitable as a boiler pressure gauge. The pressure range goes from 0 to 3 bar. The connection at the back is a male ¼” BSP-G thread. The front of the manometer is 56x79mm....
On this product page you will find a rectangular shaped pressure gauge. This type of pressure gauge can be used on the Gaggia Tell espresso machines. This pressure gauge is suitable as a pump pressure gauge. The pressure range goes from 0 to 15 bar. The connection at the back is a male ¼” BSP-G thread. The front of the manometer is 56x79mm....
The manometer on this product page can be used on the Gaggia Ele espresso machine. This specific model is a pump pressure manometer. The pressure range goes from 0 up to 16 bar. The fitting on the back is a 1/8” male fitting. The frame has a diameter of 57mm and the body has a diameter of 52mm. This manometer has been made in Italy.
The double manometer on this product page is suitable for various espresso machine brands like Gaggia and La Pavoni. The Gaggia part reference for this item is WGA5001018000 and the Pavoni has the part reference of 453015. The left side of the manometer is for the pump pressure, this goes from 0 bar to 16 bar. The boiler pressure goes from 0 to...
On this page you will find a colourful double scale manometer which is suitable for various Grimac espresso machine models. The Grimac part reference number for this item is 1250200033-GR034S The left side shows the pump pressure from 0 to 15 bar and on the right side the boiler pressure from 0 to 2.5bar. The body of this pressure gauge has a diameter of...
The item on this product page is a OEM/Original La Cimbali coffee machine manometer. This manometer can be used on various Faema and Cimbali espresso machines. The Cimbali part reference numbers are 445168000 and 445-168-000. The Faema part reference number is 445168000. This pressure gauge is a single dial pressure gauge. This specific model only...
On this product page you will find a double scale manometer suitable for various models of the Cimbali espresso machines. The Cimbali part reference is 421-289-000 This double scale pressure gauge has on the pump side a scale of 0 to 16 bar. The boiler side goes from 0 to 2,5 bar. The outside diameter of the body is 60mm and the rim diameter is...
On this product page you will find a pressure gauge suitable for a variety of La San Marco espresso machines. The part reference for this La San Marco pressure gauge is 202102 This double scale manometer has a pump pressure scale of 0 to 15 bar and a boiler pressure gauge of 0 to 3 bar. The body of this manometer has a diameter of 63mm and a rim...
On this page you can find a pressure gauge which can be used on various brands such as Astoria, Grimac and Wega. The part references are for Grimac 1250200031-GR034 , for Astoria 21109 and for Wega WY21109. This pressure gauge is a double scale manometer. The scale for the boiler goes from 0 to 2,5bar. The scale for the pump pressure goes from...
On this product page you will find a double scale manometer, this manometer can be used on various Astoria and Wega espresso machines. The Astoria part reference is 21112 and the Wega part reference is WY21112. This white double scale manometer has on the boiler side a scale from 0 to 3 bar. On the pump side a scale ranging from 0 to 15bar. The body...
The item on this product page is a double pressure gauge for the Wega IO espresso machine. This pressure gauge is a OEM/Original Wega spare part, the Wega part reference number for this item is WY4621115001. This espresso machine manometer is one of the double type, you have the pump pressure and the boiler pressure. This manometer has a black face plate...
On this product page you will find a double scale manometer suitable for various La Pavoni models. The La Pavoni manometer has the part reference 453007. This pressure gauge is a double one. The boiler pressure gauge has a scale from 0 to 2,5 bar. The pump pressure gauge goes from 0 to 16 bar. The body of this pressure gauge has a outer diameter of 63mm...
On this product page you will find a OEM/Original double scale manometer for various Nuova Simonelli espresso machines. The Nuova Simonelli part reference for this manometer is 09100003 This manometer is 2 in 1. The pump manometer goes from 0 to 16 bar. The boiler manometer goes from 0 to 2,5bar. The fittings on the back are both male 1/8” BSP-G....
On this product page you will find a OEM/Original Nuova Simonelli spare part. This pumnp manometer is used on various Nuova Simonelli espresso machines. The part reference for this pressure gauge is 09100009 This manometer has a single scale which goes from 0 to 16 bar of pressure. The body has a diameter of 60mm, the rim of this manometer is 65mm. The...
Most of the pressure gauges used on espresso machines are made by one Italian company, which is called Orman Manometri. They produce a variety of pressure gauges.
There are basically 2 types of pressure gauge. A single and a double pressure gauge. The single pressure gauge can be a pump or a boiler pressure gauge. The pressure gauge has a pressure range normally of 0 up to 16 bar. The boiler pressure gauge normally has a pressure range going from 0 up to 2,5 or 3 bar. This does depend on the requirements of the manufacturer.
The other type is the double version. With this type of manometer you have a pump and boiler pressure gauge in one. This means that you have 2 individual fittings on the back. In most cases the pressure gauges have a male 1/8” BSP-G thread. In some cases this is a conical fitting.
If you have a OEM/original or a after market pressure gauge, they are technically the same. The difference is that a after market pressure gauge can be aesthetically slightly different and that the brand name is printed on the face plate.
The boiler manometer gives a idea how much pressure inside the steam boiler is. You see the pressure rising from 0 up to a set pressure with the pressure switch, when you want to adjust the pressure switch you use this pressure gauge to see on which pressure it will switch off.
When your boiler doesn’t have a vacuum valve, which was common in the past. The initial reading can be incorrect. Seen the pressure switch does switch off, but the reason for this is that there is false air. So you have the idea that your boiler is up to temperature. But in reality your boiler isn’t. This can be resolved by turning the steam valve knob open and closed. Then you see the pressure dropping rapidly.
The pump manometer is only readable when the pump is running. When the pump is running you can use the adjustment screw on the side of the espresso machine pump. By turning the screw inwards the pump pressure will increase, when you turn it outwards the pump pressure will decrease.
In almost every case the pump pressure is not measured at the brewing group, so the pressure shown on the pressure gauge is not the brewing group pressure.
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