Gaggia 49 mm Pump Pressure Gauge appia-parts/appia-one-group-head This is the full mechanism

This is the full mechanism

and made from pure

USB firmware updates

which is available at most drug stores can be used in the alcohol burner

a manageable DIY job

Gaggia 49 mm Pump Pressure Gauge appia-parts/appia-one-group-head This is the full mechanismGaggia 49 mm pump pressure gauge with single scale 0 15 bar. Fast shipping when in stock. When out of stock this becomes a special order item and typically requires 4 6 weeks for processing prior to shipping. Specifications: Diameter: 49 mm Scale: 0 15 bar Connection: 1 8 M Compatibility: Gaggia commercial models Installation: Direct gauge replacement Recommended for qualified technician. Pro tip: Monitor pump pressure during operation to diagnose