Hkoenig nv720 Manuel D'instructions page 16

Do not
•
accessories to extreme temperatures,
wide temperature fluctuations, open
fire, direct sunlight, and do not expose
the device housing to any moisture or
wet conditions.
Always try cleaning first at a small,
•
inconspicuous spot.
Never direct the steam at one spot for
•
too long.
Never use the device on cold glass
•
surfaces (at temperatures of below
10°C). The hot steam could cause the
glass to shatter.
expose the device or