Undo the four threaded nuts on the element (size 17).
Undo the four front threaded nuts on the arms of the base
(size 17 nut).
Screw the threaded nuts in or out to adjust all four points flush with
the wall surface.
Check they are flush with the wall surface using a spirit level.
Tighten the rear threaded nuts at all four points (size 17).
When doing so, hold the threaded bolts with a flat-blade screw‐
driver.
Tighten the front threaded nuts at all four points (size 17).
Check to ensure they are flush.
Handling
Prevista Dry washbasin element with individually adjustable ceramic height
27 from 38