Mechanism Knob C00071650 (28003038)

Astoria M42 Stepless Mechanism Knob (Part Number C00071650, also referenced as 28003038) is a precision-engineered replacement component designed specifically for Astoria espresso machines. Crafted to exact OEM specifications, this knob plays a critical role in the stepless adjustment system, allowing baristas to fine-tune espresso extraction with unparalleled accuracy. Unlike stepped knobs that offer fixed increments, the stepless mechanism ensures smooth, continuous control over grind size or pressure settings, providing a customizable brewing experience tailored to your specific taste preferences.

Durability and ergonomic design are core features of the M42 knob. Made from high-quality materials, it withstands the rigors of daily commercial use in busy coffee shops, while its tactile surface ensures a comfortable, slip-resistant grip. This level of control empowers baristas and coffee enthusiasts alike to achieve consistent, precise dosing and optimal espresso shot quality. Whether calibrating grind for different coffee beans or adjusting pressure parameters, the M42 knob facilitates a seamless adjustment process that enhances workflow efficiency during peak hours.

Ideal for professional cafes, specialty coffee shops, or any environment utilizing Astoria espresso machines, the M42 Stepless Mechanism Knob is an essential maintenance and upgrade part. Installing this knob helps extend the lifespan of your espresso machine’s adjustment system, reducing downtime and repair costs. For coffee professionals committed to excellence, maintaining equipment with genuine OEM parts like the C00071650 ensures reliability and peak performance, ultimately contributing to superior espresso quality and customer satisfaction. Kaldi.com proudly offers this part as part of its commitment to supporting the coffee industry’s technical and operational needs.