Espresso Machine Steam Knob Spring Elastic Retaining Ring – 9×20×12mm

Espresso Machine Steam Knob Spring Elastic Retaining Ring – 9 × 20 × 12mm

This small but essential OEM-spec spring elastic retaining ring secures the steam knob in place on a wide range of commercial espresso machines. A direct replacement for the original component, it restores secure knob fitment and prevents the knob from loosening or detaching during operation.

Specifications

• Type: Spring Elastic Retaining Ring
• Width: 9mm
• Length: 20mm
• Height: 12mm
• Weight: 0.1 kg
• Condition: New / OEM quality

Compatible Models

Azkoyen

• AZ04

Casadio

• Dieci (from 2010-01, 2019, from 2026-01)
• Dodici (from 2010-12, from 2026-01)
• Nettuno (from 2026-01)
• Quindici (from 2014-09, from 2026-01)
• Venti (from 2010-12)

Cimbali

• Junior D, Junior S
• M20, M21 Leva, M21 Plus, M21 Premium, M22, M23 UP, M24, M24 Compact, M24 Select, M26, M26 Compact, M27, M27-C, M27-DT, M27-RE, M28, M28 Compact, M29 Compact, M32 Compact, M34, M39, M39 Classic, M39 Dosatron, M39GT, M39TE Classic, M39TE Dosatron, M40, YP1
• M100, M100RE, M200 (incl. 2026-01 variants)

Faema

• E98-A-S, E98-RE, E98-RE-A, E98-RE-S, E98-UP, E98-UP-A, E98-UP-S

Why Replace This Ring?

A worn or broken retaining ring causes the steam knob to become loose, wobbly, or detach entirely — making precise steam control difficult and creating a safety risk. Replacing it is a quick, low-cost fix that restores full knob security.

Installation

Suitable for technicians and experienced home baristas. Contact our team if you need guidance on the replacement process.