Contents
12
1. General
1.1 Use................................................................................................................................
Page
13
1.2 Construction ..................................................................................................................
Page
13
2. Installation
.....................................................................................................................................
Page
13
3. Inspection
.....................................................................................................................................
Page
14
4. Maintenance
4.1 Cleaning of the single flap backwater valve and single flap backwater valve
every six months ............................................................................................................
Page
14
4.2 Servicing of the double flap backwater valve every six months by a specialist..................
Page
14
5. Conversions, spare parts, accessories
.....................................................................................................................................
Page
15
6. Warranty
.....................................................................................................................................
Page
16
GB
3. EBA englisch neu_2012_07_3. EBA englisch 05.07.12 08:56 Seite 2