Grimac

Original and compatible Grimac spare parts for coffee machines: round and linear brewing groups, filter holders, Ulka pumps, three-way valves, brass boilers, group and boiler gaskets.

Search by model (e.g. G4, G5, Mini, Tio, Tea) or code (e.g. GR-GR4, GR-PF58, GR-VAL3). Need support? Contact us.

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Brewing groups and filter holders

  • Round group G4/G5: code GR-GR4/GR5, chrome 58 mm, ISO 58 mm gasket.
  • Linear group Mini/Tea: code GR-GRL, chrome brass, leverless lever group.
  • 58 mm filter holder: code GR-PF58, with single and double filter.

Pumps and valves

  • ULKA EX5 vibrating pump: 48 W, code GR-ULKA.
  • Three-way valve: code GR-VAL3, automatic group discharge.

Boilers and gaskets

  • Brass boiler: capacity 0.8–1.2 L, code GR-CAL08/12.
  • Boiler gaskets: 80 mm silicone O-ring, code GR-GRC.
  • Group gaskets: 58 mm O-ring, code GR-GRG.

Common problems and solutions

  • No extraction: pump or valve stuck → replace GR-ULKA or GR-VAL3.
  • Leak from the group: worn group gasket → replace GR-GRG.
  • Unstable pressure: fouled boiler or gasket → clean or replace GR-GRC.
  • Group won't latch: damaged filter holder → replace GR-PF58.

Most serviced models

G4 Classic, G5 Digital, Mini, Tio, Tea. Model not listed? Write to us.

Recommended maintenance

  • Clean group and gaskets after every 150 cups.
  • Replace gaskets every 6–12 months.
  • Check valves and pumps annually.

Grimac is a registered trademark; citation for identifying spare parts compatibility.

Grimac Spare Parts FAQ

How to clean the brewing group?

Disassemble the group, rinse with hot water, brush the gasket and filter.

Group leaking coffee?

Replace gasket GR-GRG and check filter holder threading.

Noisy ULKA pump?

Replace pump GR-ULKA and check power supply.

Three-way valve not working?

Replace valve GR-VAL3 and clean valve seat.

How much do spare parts cost?

Group: 80-120€. Filter holder: 25-35€. Valves: 15-25€. Gaskets: 5-10€. Pumps: 45-70€.

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