What is a hydraulic circuit nut
The hydraulic circuit nut connects and seals a hose, pipe or steam wand to a given fitting in the coffee machine. It ensures that pressurized water or steam flows only through the intended path and that the joint stays strong and tight even through repeated heating and cooling.
When the part stops doing its job
If the nut is worn, damaged or insufficiently tightened, the joint starts to leak. This shows up as dripping or leaking water or steam at the joint, a drop in circuit pressure, longer coffee brewing time, or a pressure-related error message. Sometimes you can also hear hissing from escaping steam.
Why replace this part in time
A leaking joint gradually damages surrounding parts through moisture and can cause corrosion or damage to nearby electronics. Replacing the hydraulic circuit nut restores the strength and tightness of the joint and prevents further loss of water or pressure.
How to choose the right part
Nuts differ in thread size and shape depending on the specific joint and coffee machine type, so check compatibility in the product table before purchasing.
Compatible with
- ADONIS (202206-)
- ADONIS 2014
- BLACK-EAGLE-VA388 (202207-)
- VA358-WHITE-EAGLE-DIGIT
- VA358-WHITE-EAGLE-DIGIT 2020
- VA358-WHITE-EAGLE-T3
- VA388-BLACK-EAGLE 2015-04
- VA388-BLACK-EAGLE 2015-06
+ 35 more compatible models
- VA388-BLACK-EAGLE 2016
- WHITE-EAGLE-VA358-DIGIT (202207-)
- ATHENA-S
- E1-PRIMA
- ADONIS
- ADONIS 2008
- EAGLE-ONE
- APPIA
- APPIA (200811-)
- APPIA-II-COMPACT (201904-)
- MAC2000
- MUSICA (2009-201211)
- MUSICA (201005-)
- MUSICA-SILENT-SYSTEM (201507-)
- PREMIER
- TALENTO (201110-)
- TALENTO (201012-)
- OSCAR
- AURELIA
- AURELIA II
- APPIA-II (201606-)
- APPIA-LIFE-2-3GR (201912-)
- APPIA-LIFE-2-3GR (202010-)
- APPIA-LIFE-COMPACT
- APPIA LIFE 1GR
- APPIA LIFE 2-3 GR XT
- AURELIA-II-COMPETIZIONE (201208-)
- AURELIA-II-S-V-DIGIT (201208-)
- AURELIA-II-S-V-DIGIT (201705-)
- AURELIA-II-T3 (201504-)
- OSCAR-II (201512-)
- TALENTO (200806-)
- PROGRAM
- OSCAR (201201-)
- PROGRAM VIP
| Manufacturing company | Simonelli Group S.p.A. |
|---|---|
| Address | Via Emilio Betti 1, 62020 Belforte del Chienti (MC), IT |
| info@simonelligroup.it |


