Cimbali selector switch knob

Selector Knob

The selector knob is a control element on the front panel of the coffee machine used to set a function or mode of the appliance - for example, switching it on, selecting a program, or adjusting brewing intensity. It fits onto the switch shaft and serves as the sole interface between the operator's hand and the electrical or mechanical switching mechanism inside the coffee machine.

Signs of Wear

Over time, the knob may become loose, slip on the shaft, or fail to turn at all, making it impossible to change settings. Cracks, broken edges, or worn-off symbols make operation more difficult and reduce the clarity of the control panel. In some cases, a loose knob also causes the internal switch to respond unreliably, so the coffee machine fails to switch on or switches between functions randomly.

Why Replace It in Time

A damaged or missing knob prevents precise control of the appliance and can lead to unintentional activation of the wrong function. Replacement is a simple and quick fix that restores full control functionality without interfering with the coffee machine's electronics.

How to Choose the Right Part

Knobs differ in shape, mounting, and function markings, so be sure to check compatibility in the product table before purchasing.

Compatible with

• M28-COMPACT
• M28
• M28-BASIC (199603-)
• M28-BASIC (200101-)
• M28-SELECTRON (199603-)
• M28-SELECTRON (200101-)
• M28-START
• M21-PREMIUM