Kessel Staufix Serie Instructions De Montage Et De Service page 16

Contents
1. General
2. Installation
3. Inspection
4. Maintenance
5. Conversions, spare parts, accessories
6. Warranty
12 GB
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1.1 Use................................................................................................................................ Page
1.2 Construction .................................................................................................................. Page
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4.1 Cleaning of the single flap backwater valve and single flap backwater valve
every six months............................................................................................................ Page
4.2 Servicing of the double flap backwater valve every six months by a specialist.................. Page
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