Hans Grohe Installation / Warranty Starck X Assembly Instruction

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Use the guide to adjust the offset adapters.  The rear of
the adapter should be no more than 5 mm (3/16”) in
front of the surface of the finished wall.  Make sure that
the adapters are level!
Position the faucet over the offset adapters.  Press firmly
into place.  Install and tighten the set screws, using the
enclosed allen wrench.