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.
The manometer on this page can be used on various espresso machines made by La Spaziale and Rancilio. The La Spaziale part reference is 08469 and for Rancilio the reference is 35062501 This pressure gauge is a double scale model. The pump pressure goes from 0 to 2,5bar and the pump pressure goes from 0 to 16 bar. The fittings on the back are...
On this product page you will find a OEM/Original brass Elektra pressure gauge. This pressure gauge has a double scale. One for the pump pressure and one for the boiler pressure. The Elektra part number is 00985026. This pressure gauge is a double scale. The pressure gauge for the boiler ranges from 0 to 2 bar. For the pump pressure the range is from 0...
On this product page you will find a pressure gauge suitable for various Vibiemme espresso machines. The Vibiemme part reference for this manometer is MANMKO. This manometer can be used on the Vibiemme Evolution and on the Vibiemme Revolution. This double scale pressure gauge has a pump pressure scale of 0 to 16bar and a scale of the boiler pressure of...
On this product page you will find a double scale manometer suitable for various San Remo espresso machines. This pressure gauge has the San Remo part number 10552023A The double scale manometer has on the pump side a scale which ranges from 0 to 3 bar. The boiler pressure scale goes from 0 to 3 bar. The body of the manometer is 60 and 63mm. The...
The pressure gauge on this page can be used on a variety of espresso models such as Brasilia, Aurora Brugnetti, Conti, Astoria and Bezzera. The Brasilia part number for this item is 06622.2.00.08, The Astoria part number is 21109 and for Bezzera the part number is 5963037 This double scale manometer has a scale for boiler pressure from 0 to 2,5bar...
On this product page you will find a double scale manometer which can be used on various La Carimali espresso machines. The Carimali part reference for this item is 95.01545 This double scale manometer has on the pump side a scale of 0 to 16 bar and on the boiler side a scale going from 0 to 2,5bar. The body of this manometer has a diameter of 60mm...
This double scale pressure gauge can be used on a variety of espresso machine models. Mainly of Astoria and Wega. But they are in the past also used on models of La Spaziale, Nuova Simonelli and Carimali. This manometer has on one side a scale from 0 – 16 bar for the pump pressure and on the other side a scale from 0 to 2,5bar for the boiler...
On this product page you will find a double pressure gauge. This pressure gauge can mainly be found on espresso machines such as Astoria and Wega. The Astoria part reference for this manometer is 1245504 and for Wega the part reference is WY21107 The manometer has on one side the boiler pressure, this goes from 0 to 2,5bar. The other side has the...
The pressure gauge on this page can be used on various La Cimbali espresso machine models. The Cimbali part reference for this item is 445-028-000. The manometer is suitable for the boiler pressure. The range on this manometer goes from 0 to 2,5bar. The body diameter is 57mm as well for the rim diameter. The connection at the back is a 1/8”...
The manometer on this page is a OEM/Original Rancilio spare part, the Rancilio part number for this item is 35002508. This part is used on a variety of Rancilio espresso machines to measure the boiler pressure of the espresso machine. This specific model is a single manometer for the boiler pressure. The pressure range on the front dial is 0 to 2,5 bar....
On this product page you will find a pressure gauge suitable for various Astoria and Wega espresso machine models. This pressure gauge is a boiler pressure gauge and has the part reference of Astoria of 21101 and for Wega WY21101. This boiler pressure gauge goes from 0 to 3 bar. The outer diameter of the case is 52mm the ring has a diameter of 57mm....
On this product page you will find a pump pressure gauge suitable for the La Cimbali M30. The part reference for this pump manometer is 496-246-000. The pressure gauge has a pressure range from 0 to 15 bar. The body diameter is 57mm and the ring diameter is 60mm. The pressure gauge has on the back a male 1/8” BSP-G fitting. The pressure gauge has...
On this page you will find a small pump manometer, one of the smaller models. This model you mainly see used with the La Cimbali group. The la Cimbali part number for this item is 3781-133-399 and Faema part number is 3781133401 This manometer is a pump manometer with a pressure range of 0 – 16 bar. The rim diameter of this pressure gauge is...
On this product page you will find a manometer which is suitable for a variety of Faema E61 espresso machine models. The part reference for this boiler manometer is 3781135802 This boiler pressure gauge has a shiny chrome rim with a outer diameter of 71mm, the body itself is 52mm. The scale on this manometer goes from 0 to 3 bar. The fitting on the...
On this product page you will find a manometer which is suitable for a variety of Faema E61 espresso machine models. The part reference for this pump manometer is 3781135801 This boiler pressure gauge has a shiny chrome rim with a outer diameter of 71mm, the body itself is 52mm. The scale on this manometer goes from 0 to 16 bar. The fitting on the...
On this product page you will find a boiler pressure gauge which can be used with various brands such as Bezzera and ECM Heidelberg. The part reference for Bezzera is 7432522 and for ECM Heidelberg is B7432516 This boiler pressure gauge goes from 0 to 3 bar. The case of this manometer has a diameter of 39mm, the frame is 44mm. The connection...
The item on this product page is a OEM/Original La Cimbali group spare part. This double manometer can be used on various models of La Cimbali and Casadio. The La Cimbali part reference number are 421289010 and 421-289-010. The Casadio part reference number is 421289010. This manometer is a double model. So it is shows the pump and boiler. The...
On this product page you will find a double manometer suitable for various Faema espresso machine models. The Faema part reference for this item is 3781132064 The pressure gauge has on top the boiler pressure, which goes from 0 to 2,5bar. At the bottom you have the pump pressure this range goes from 0 to 15bar. The body of this manometer is...
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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