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Valve

Probably one of the most underrated type of spare part on a espresso machine is the valve. A valve can be a variety of types. ranging from non return valves, expansion valves, vacuum valves and boiler safety valves. All with their own purpose. If you have a Faema, Rocket, Marzocco, Astoria or just a small Rancilio Silvia you will always find these items on them. Below you will find a selection of these valves

Espresso machine parts - Valve

Non return valve 1/4M - 3/8M

the item on this product page is a hexagonal shaped non return valve. This non return valve can be used on various espresso machine brands such as Brasilia and Conti. The Brasilia part reference is 12845.4.00.09 and for 409125. This brass non return valve has on one side a 3/8” BSP-G thread and on the other side a male ¼” BSP-G...
€27.82

Faema E61 steam/water group expanding spring

Every valve needs to have return spring to close again. On this page you will find the return spring used in the Faema E61 steam and water valve. As well in their successors used in Vibiemme, Grimac and la Scala machines. This spring is made out of stainless steel and has an external diameter of 12,5mm and a length of 30mm. So, steam and water valves...
€1.80

Bezzera expansion valve spring

The item on this product page is a small compression spring. This spring is a OEM/Original Bezzera spare part. The part reference numbers are 5471518 and 5471543. This stainless-steel compression spring has a outer diameter of 12mm and a length of 30mm. You can use this spring on the Bezzera Galatea and the Bezzera B2000.
€2.57

Safety valve 1/2" 1,8 Bar

Every espresso machine boiler needs to have their Safety valve changed with fixed intervals to be sure that when the pressure switch/thermostat fails the pressure doesn’t gets too high. So on this page you will be able to find a safety valve, the biggest size used on espresso machines, the ½”BSP. This valve is calibrated from the...
€8.91

La Pavoni safety valve M22

The boiler safety valve on this page can be found on older espresso machine models of La San Marco. There is for this part no la San Marco part reference number. This safety valve has a male M22 thread with a pitch of 1,5mm. The valve has been calibrated on 1,8bar. When the valve opens it can release up to 6,3 kg/h of steam. This valve is auto certified...
€34.65

adjustable expansion valve 3/8m 10-14 bar

The item on this product page is a adjustable expansion valve. This valve is a generic spare part and can be used on various espresso machines. This expansion valve is made from brass. the fitting used is a 3/8” BSP-G thread. on the other side is a hose fitting for 10mm tubes. This expansion valve is adjustable with a range which goes from 10 to 14...
€20.32

Anti vacuum valve 1/4"M stainless steel

The item on this product page is a stainless steel anti vacuum valve. This anti vacuum valve can be used on various Rocket espresso machines, if you want to use it on a different brand that is also possible. The Rocket part reference for this item is A219905510 This anti vacuum valve has been made completely from stainless steel, so also the plunger. The...
€9.73

Rocket safety valve 3/8" M

The item on this product page is a OEM/Original Rocket spare part. This item is a boiler safety valve and has the Rocket part reference of A299904998. This boiler safety valve has a male 3/8” BSP-G thread. The opening pressure of this valve has been set at 1,8 bar. The hose end fitting side has a diameter of 7mm. This valve has been made in Italy....
€69.02

SanRemo safety valve 3/8” 1,8 bar CE/PED Original

The item on this page is a boiler safety valve used on a variety of SanRemo coffee machines. This specific product is a OEM/original SanRemo spare part and has the parts reference number 10652058B. This safety valve is fitted with a 3/8” BSP-G thread, it is calibrated to open at 1,8 bar. The valve itself is CE/PED calibrated. This item is made in Italy....
€58.56

Faema E61 non return complete

On this page you will find a part assembly suitable for the Faema E61 vintage espresso machine. This item is not suitable for the Faema E61 Legend and Faema E61 Jubile. This item is the one way valve/non return valve. The inlet side of this valve is a 3/8”BSP-G. Originally where these items 2 individual casted items. Unfortuenately they...
€14.57
There we will explain the purpose of the use of valves on espresso machines listed on this category page.

Vacuum Valve

The vacuum valve is the latest type of valve used on coffee machines. This valve remains open during heating of the coffee machine boiler, so that the false air can escape. Once this "false" air has been relaised the valve is closed with the pressure of the boiler. This prevents that your pressure switch kicks in too early.

Expansion valve

This valve is used to release the pressure of the hydraulic system, when the pump is running. In some cases this is set at a fixed pressure, but in a lot of cases this valve can be adjusted.

Non Return valve

The name might already indicate what type of valve this is, a valve where water can only flow into one direction. You will find this for example before a heat exchanger tube, so that the heated water won't flow back to other parts in the machine

Safety valve

This might be one of the most crucial components in a espresso mahcine. The boiler safety valve. This is the last part in a espresso machine which can prevent a catastrophe. When your other safety devices such as a pressure switch and thermostat have failed, your heating element will keep heating, so the pressure will also increase. The only solution is to relief this pressure from the boiler, that is what the boiler safety valve does. Do replace this part every 2 year, recommended by the manufacturers.