Trim kit only, must order MultiChoice universal valve R11000 separately to complete the unit ADA Compliant 2-port, 3-position diverter trim 2 individual and 1 shared position Monitor pressure balance valve keeps water temperature within a safe +/-3°F (+/-1.6°C), helping to protect you from sudden changes in hot or cold water pressure 1/2 in. rough-in Order installation extension kit RP75137 to add 1 in. to maximum installation thickness (sold separately)