Hansgrohe C 042200 Serie Instructions D'installation page 6

English
Insert the function block.
Install and tighten the function block screws using
a 4 mm Allen wrench.
Measure the distance from the front of the plaster
shield to one of the screw-in flanges ("X").
Add ½" to this measurement.
Cut each screw so that it is X + ½" long.