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These installation instructions show that water will be furnished through an existing
shower arm. This is not the only installation possible. A Hansgrohe 27454XX1 or
equivalent wall supply may also be used.
The screws and anchors included with this set are suitable for use in a tile or other
solid-surface wall. They are not suitable for use in an acrylic or fiberglass shower
enclosure. Please contact the manufacturer of the enclosure regarding recom-
mended mounting locations, reinforcement requirements, and recommended
mounting hardware.
Installer Notes
Remove the old showerhead
• While holding the shower arm, remove the existing
showerhead by turning counter-clockwise with an
adjustable wrench.
• Thoroughly clean the threads on the shower arm with a
wire brush.
Backflow Prevention
A backflow preventer (or vacuum breaker) is required by many local plumbing
codes to protect your drinking water from back siphonage.
Hansgrohe recommends the use of external vacuum breaker 06510000 if
backflow prevention is not provided by another device, such as a 27458XX1 wall
outlet with integral vacuum breaker.