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 OEM/Original La Spaziale pressure gauge. This boiler pressure gauge is suitable for the La Spaziale S8 and the La Spaziale S9. The La Spaziale part reference for this item is 11079 The scale on this pressure gauge goes from 0 to 3 bar. The frame has a outer diameter of 48mm and the housing has a diameter of...
The boiler pressure gauge on this page is a OEM/Original La Spaziale part. This manometer is used on the La Spaziale S3 espresso machines. The La Spaziale part reference for this item is 06237. This manometer has a scale from o to 2,5 bar. The body diameter is 42mm and the rim dia of the rim is 43mm. The connection on the back is a male 1/8” BSP-G
The pressure gauge on this page is a OEM/Original La Spaziale part. This manometer is used on the La Spaziale S3 espresso machines. The La Spaziale part reference for this item is 06238. This manometer has a scale from o to 16 bar. The body diameter is 42mm and the rim dia of the rim is 43mm. The connection on the back is a male 1/8”BSP-G
On this page you will find a double scale manometer, suitable for various La Spaziale espresso machine models. On the left side of the dial, you will find the pump pressure and on the right scale you will find the boiler pressure. The La Spaziale part number for this manometer is 05044 The body of this pressure gauge is 63mm and the rim has a...
On this product page you will find a OEM/Original La Spaziale pressure gauge. This pump pressure gauge is suitable for the La Spaziale S8 and the La Spaziale S9. The La Spaziale part reference for this item is 11080 The scale on this pressure gauge goes from 0 to 16 bar. The frame has a outer diameter of 48mm and the housing has a diameter of 43mm. The...
The item on this product page is a OEM/original Rocket manometer. This specific model is a pump pressure manometer. The Rocket part reference number for this pressure gauge is A299904633 This pumppressure gauge has a single scale which goes from 0 up to 16 bar. This manometer has been equipped with a capillary. The fitting at the end of the capillary is...
The pressure gauge on this product page is a OEM/Original San Remo spare part. This manometer is a double scale model and is used on various San Remo espresso machines. The San Remo part reference number for this item is 10552021A. This pressure gauge has on the top the boiler pressure and on the bottom the pump pressure. The range of the pump pressure...
The item on this page is a capillary tube used for attaching a manometer to a boiler. This model of Capillary tubing can be used on various ECM Heidelberg espresso machines. The ECM Heidelberg part reference number is P6051 This copper capillary tubing has on each side a female 1/8” fitting. This item has been made in Italy. You can use this...
On this product page you will find a OEM/Original Victoria Arduino pump pressure gauge. This pressure gauge is suitable for the Victoria Arduino VA358 White eagle and for the Victoria Arduino VA388 Black eagle. The part reference of this item is 09100011 This pump manometer has a pressure range from 0 to 16 bar. The casing of the manometer is 60mm,...
The pressure gauge on this product page is a OEM/Original Astoria spare part. The Astoria part reference number for this manometer is 4621115006. This manometer is a single model. This is only a pump pressure gauge. The frame has a diameter of 64mm and the body has a diameter of 62mm.the fitting on the back is a male ¼”thread. You can use...
On this product page you will find a pressure gauge suitable for a variety of Rancilio espresso machines. The Rancilio part reference for this item is 35002508. This manometer is used as a boiler pressure gauge. The pressure range goes from 0 to 2,5 bar. The connection at the back is a male 1/8” BSP-G thread. The body of the manometer is 40mm. the...
This pressure gauge is a original La San Marco spare part. This manometer is a boiler pressure gauge. The La San Marco part reference number for this item is 202003. This boiler pressure gauge has a dial indicator range from 0 up to 3 bar. The fitting on the back is a male ¼”. The frame has a diameter of 56,6mm and the body is 52mm....
The manometer on this product page is a OEM/Original Faema spare part. This manometer is a pump manometer and has the Faema part reference number 531194500. This pump pressure gauge has a indicator which goes from 0 up to 16 bar. The connection at the back is a male 1/8” fitting. The body of the manometer is 62mm and the frame is 85mm. This...
This is quite a uncommon item on espresso machines, this is a analogue temperature gauge. This temperature gauge is used on the San Remo Torino espresso machine. The thermometer is a OEM/original spare part and has the San Remo part reference number 10552046A. This temperature gauge has a temperature range which goes from 0 up to 80 degree C. The...
The pressure gauge on this product page is a OEM/Original Astoria spare part. The Astoria part reference number for this manometer is 4621115005. This manometer is from the double type. There is a boiler pressure gauge which goes from 0 up to 3 bar and a pump pressure gauge which goes from 0 up to 15 bar. The fittings on the back are both male...
The pressure gauge on this product page can be used on various Astoria coffee machines. The Astoria part reference number for this manometer is 4621112. This pressure gauge is a double model. It is fitted with a pump and boiler manometer. The pump manometer goes from 0 up to 15 bar and the boiler manometer goes from 0 up to 3 bar. The fittings on 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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