Rachio Outdoor Enclosure, for Rachio 3 and Generation 2 Smart Sprinkler Controller Custom designed enclosure fits either the Rachio 3 or Generation 2 Smart Sprinkler Controller. Protect your Rachio controller. The enclosure is fully weatherproofed for outdoor use. Ingress Protection (IP) Rating of 54. Hardwire or outdoor outlet options. Rachio look and feel on the front cover.