What are the differences between Rachio gen 1 and Rachio gen 2? By / On August 24, 2019 / At 11:16 am / In 183 Views Wifisprinkler DWQA Questions › Category: Rachio 3 › What are the differences between Rachio gen 1 and Rachio gen 2? 0 Vote Up Vote Down Tom Konor Staff asked 3 years ago The key distinction is that both Rachio 2 & 3 have manual buttons right on the box to start the manual station without getting a smartphone. Great to start sprinklers for leak testing and head adjustment. Please login or Register to submit your answer Username or Email Address Password Remember Me Post navigation Prev PostDo-It-Yourself Installation For Rachio ? Next PostDoes Rachio 3 operate if there’s no wifi?