Using the Concealed Wall Box (ATW-CWB) with the Remotely-Wired Touch Digital Heat Controller (ATW-TDHCR) allows our Heated Towel Racks to be installed cleanly, and the control box relocated to a more convenient or aesthetic pleasing location. 1x Concealed Wall Box (ATW-CWB) needed per rack, or per Modello i Bar Installs behind drywall - wiring is accessible through the access tube Installation Guide Technical Drawing warranty Faqs