Original RDL spare parts for Maxi Pro, Mini-Cap, and Maxi-Cap Pro coffee machines: 42 mm O-ring seals, pod press rings, and safety mushroom valve.
Search by model (Maxi Pro, Mini-Cap, Maxi-Cap Pro) or type (O-ring, press seal, mushroom valve). Questions? Contact us.
RDL Spare Parts Guide (Show content) (Hide content)
O-ring Seals
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Standard 42 mm O-ring: silicone ring for pod press (Models Maxi Pro, Mini-Cap Pro).
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Alfa 4175 O-ring: replacement for Maxi Pro and Mini Cap pod press.
Pod Press Seals
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42 mm press seal: for RDL Maxi Mini-Cap Pro machines with a 028 mm band.
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Maxi Caps pod press ring: compatible with Mini Pro Electro, ensures perfect sealing.
Safety Mushroom Valve
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Pin mushroom valve: safety valve for excessive pressure, compatible with Cream Coffee, Mini-Cap, Maxi-Cap Pro.
Common Issues and Solutions
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Pod not sealing: replace 42 mm O-ring or Alfa 4175 ring.
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Coffee leakage: worn press seal → install new 42 mm seal.
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Pressure too high: blocked mushroom valve → clean or replace mushroom valve.
RDL Spare Parts FAQ
How to install the O-ring?
Remove the portafilter, extract the worn ring, and slide the new O-ring into place.
Mushroom valve not clicking?
Clean internally with hot water; if it doesn't work, replace the safety mushroom.
Which ring for Mini-Cap?
Use the Alfa 4175 ring or the 42 mm O-ring for Mini-Cap and Mini-Cap Pro.
Does the press seal last long?
Yes, it lasts up to 12 months; replace if it appears cracked or loses sealing.
How much do the spare parts cost?
O-ring: €3-€5. Press seals: €4-€6. Mushroom valve: €5-€8.
