Group Head Jet M5×1mm Hole Ø 0.9mm

If your espresso machine is delivering inconsistent shot volumes or experiencing uneven extraction, a worn or blocked group head jet is often the culprit. This replacement jet restores precise water flow through the dispersion screen, ensuring proper pressure and even saturation across the coffee puck for balanced espresso extraction including models with Belle Epoque, Classic Barlume, Kappa, Modern, and Sixties designs.

This jet features M5×1mm threading with a 0.9mm diameter hole, machined to factory specifications for accurate flow rate control.

Specifications

• Thread size: M5×1mm
• Hole diameter: 0.9mm
• Reference code: 704004

Compatible Part Numbers