Santos Grinder Burrs Brand_Rieber 15mm here) and fitting size

15mm here) and fitting size (1/4" vs 1/8") against your old flowmeter before installing — a mismatched orifice will throw off your machine's dose calibration

Fits: La Marzocco boilers using the 2

Overall switch: 24 mm wide x 44 mm tall

Replaces: earlier 3 o-ring stem (F_245)

Astoria OEM part #: AS_433

Santos Grinder Burrs Brand_Rieber 15mm here) and fitting sizeGrinder burrs for the little known French brand Santos. 64 x 38 x 9 mm with left hand rotation. Fits models 40A, 55, and 6. Pro Tip: Espresso Parts offers valuable guidance on maintaining your grinder burrs, including when to replace them and how to change your coffee burrs.