Worn gasket signs
- Water leaking around the portafilter during extraction.
- Hard to lock — or suddenly too loose.
- Cracks or obvious flattening on visual check.
Shower screen signs
Clogged holes after cleaning, rust, or uneven water over the puck — replace immediately.
Rough intervals
Busy café: gasket every 3–6 months, shower screen every 6–12 months depending on water and cleaning. Do not wait for total failure.
Safety
Power off and wait for pressure and heat to drop before removal. If untrained, call a technician — mistakes cost more than the part.
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