Applications Purpose Ideal for filling cisterns Can be installed in an exposed cistern For use with clean drinking water Manufacturing code of this Filling Valve Type 380 is 240.700.00.1. Suitable for use with grey water (rainwater), providing a filter system is used Suitable for use with sea water (brass parts must be dezincification-resistant) Not suitable for use with water with an elevated chlorine content (swimming pools, etc.) Not suitable for use with cleaning agents, disinfectants and colouring agents put into the cistern (contact Geberit if any doubt) The filling height can be set by turning the spindle The valve opens after the water level drops by 20mm.