Tecno-gaz Multisteril Fast Mode D'emploi page 39

Use exclusively fluids recommended by the manufacturer.
Do not mix fluids inside the reservoir since deriving chemical reactions can
cause relevant damages to the device.
Close the detergent feeding cap to avoid detergent crystallization which
could cause obstructions of and damages to some components.
Slightly press and rotate to close the detergent feeding
cap.
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