Amba Quadro Towel Warmer Installation instructions

Installation video for the Amba Products' Quadro Collection of Towel Warmers
Visit our website at:
www.ambaproducts.com
Quadro Products Page: goo.gl/i5bXny
Installation instructions included with product [PDF]: goo.gl/LyT4Vd (Italian/English/French)
Digital Heat Controller Page: goo.gl/ulzsVA
Digital Heat Controller Installation Instructions [PDF]: goo.gl/OscxUk

[@chrispark5831]

How do you attach the back box for the control panel to the wall? the screw holes seem a little to close to the edges to catch the tile? and the screws around the power button box are to attach the face to the backbox. What attaches the back box to the tile wall? 6 holes around face of back box and 4 for control mounting screw...