Hans Grohe ShowerArc 26396001 Installation Instructions / Warranty page 25

Justify the Handle
Turn the diverter handle to the handshower
position.
Turn the temperature control knob until the
output water is 100ºF.
Turn the diverter handle to the off position.
Loosen the handle screw with a 3 mm Allen
wrench.
Remove the handle.
Align the indexing mark on the temperature
control knob with the 100º mark.
Replace the handle. Tighten the handle screw.
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