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Rancilio Sight Glass O-ring
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Product details
| Management number | 248409097 | Release Date | 2026/09/03 | List Price | $0.78 | Model Number | 248409097 | ||
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Rancilio Sight Glass O-ring - 12 x 18 x 3.2mm
Replacement o-ring seal for the boiler sight glass on Rancilio's older S and Z series machines. This is the current version Rancilio supplies; the original 12 x 20 mm o-ring is no longer available.
SPECIFICATIONS
- Dimensions: 12 x 18 x 3.2 mm
COMPATIBILITY
- Fits: Rancilio older S and Z series boiler sight glass
- Replaces: earlier 12 x 20 mm o-ring version (discontinued)
INSTALLATION
Simple DIY replacement - drain the boiler pressure first, then swap the o-ring at the sight glass fitting.
PRO TIPS
- A weeping or drippy sight glass is almost always this o-ring hardening from years of boiler heat cycling - replace it proactively during routine descaling rather than waiting for a leak.
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