Rocket Espresso
Boiler Gasket / Element Seal Failure
Water or steam leaks from around the boiler flange or element mounting point.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Aged boiler flange gasket, Loose element retaining nuts, Corroded boiler flange, Improper reassembly after service
How to Fix / Troubleshooting
Safety first: Turn off, unplug, and allow the machine to cool completely. Depressurize the boiler before loosening any fittings.
- Identify leak location: Remove panels and observe the boiler while heating to pinpoint the exact source.
- Tighten fasteners: Gently snug the element nuts or boiler flange bolts if they are visibly loose. Do not overtighten.
- Replace gaskets: If the leak persists, the boiler flange gasket or element gasket must be replaced. This requires draining the boiler and partially removing it from the chassis.
- Inspect for corrosion: If the boiler flange is heavily corroded, more extensive repair or boiler replacement may be necessary.
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Repair Difficulty
Professional Required
5/5
Required Part
Boiler Flange Gasket / Element Gasket
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