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3.3
Maintenance
3.4
Disposal
Gas ball valve
Document the result.
Gas installations must be given a visual inspection, e. g. by the owner,
once a year.
Serviceability and leak tightness must be checked every twelve years by
an installation contractor.
To be covered by the warranty and to ensure the safe operation of the
gas installations, operate and maintain them as intended. For more
detailed information, refer to the applicable regulations, see
2.1 „Standards and regulations" on page 6 .
Separate the product and packaging materials (e. g. paper, metal,
plastic or non-ferrous metals) and dispose of in accordance with valid
national legal requirements.
Handling
Ä Chapter
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