Breville Espresso Machine Leaking: Where to Look
Four places a Breville leaks, and the group head gasket accounts for most of them. How to tell it apart from an overfilled drip tray.
Tip: searching the exact part number printed on the old part gives the most accurate match.
Sold as Sage in the UK and EU, with identical part numbers. Unusually repairable for the price: the parts catalogue is public and almost nothing is a sealed assembly.
Four places a Breville leaks, and the group head gasket accounts for most of them. How to tell it apart from an overfilled drip tray.
A Breville grinder that hums, stalls or produces nothing is nearly always jammed or gummed rather than broken. How to tell which, in order.
A Breville that gushes and never reaches pressure is usually a grind and dose problem, not a pump fault. How to separate the two definitively.
Check the fitment chart on each part page against your model number before ordering.
| Part | OEM # | Size | Typical | Details |
|---|---|---|---|---|
| Breville Cleaning Tablets: What They Do That Descaler Cannot | One tablet per backflush, used with a blind (unperforated) basket | $15-25 for a year's supply | Fitment | |
| Breville Descaler: Solution, Powder or Packets, and Which Your Machine Needs | One dose per descale cycle - check the pack, doses differ by format | $15-25 | Fitment | |
| Breville Group Head Gasket: 54mm Size, Symptoms and Swap | 54mm group head gasket (steam ring) | 54 mm | $7-10 | Fitment |
| Breville BWF100 Water Filter: What Fits and How Often | Breville BWF100 Charcoal Water Filter | BWF100 charcoal cartridge | $11-29 per pack depending on count | Fitment |
| Breville Portafilter: 54mm Sizing and Bottomless Options | Breville 54mm Portafilter SP0027237 | 54mm - Breville domestic machines. NOT 58mm. | $45 genuine; $28-70 for compatible and bottomless | Fitment |