Home Slickdeals Rachio 2nd Generation Smart Sprinkler Controller: 16-Zone $139.99 or 8-Zone $109.99 +... Slickdeals Rachio 2nd Generation Smart Sprinkler Controller: 16-Zone $139.99 or 8-Zone $109.99 + Free Shipping w/ Amazon Prime @ Woot By ARCOM - 7 November 2018 156 0 SHARE Facebook Twitter Go to the deal page: Rachio 2nd Generation Smart Sprinkler Controller: 16-Zone $139.99 or 8-Zone $109.99 + Free Shipping w/ Amazon Prime @ Woot