Rachio compatibility with Toro Wireless Rain Sensor
Last Update:Feb 24 2022 3:37pmNeed tips for your Toro Wireless Rain Sensor installation? The Rachio system doesn't require this accessory due to its integrated weather intelligence features, however, you can pair your rain sensor to the Rachio controller in case you want to keep it. This article will help you make sure it's correctly paired with our system.
Wiring Instructions for a Toro Wireless Rain Sensor
DISCLAIMER
Rachio is NOT affiliated or authorized by TORO; the TORO brand rain sensors are manufactured by TORO. This article is intended for instructional and compatibility purposes only.
Rachio does not recommend the use of 3rd party sensors unless required by local code. Remember to always enable Weather Intelligence features to skip watering schedules BEFORE it rains; rain sensors will only skip watering schedules AFTER it rains.
Wiring Chart
Wire Color | Gen 1 Rachio | Gen 2 Rachio | Rachio 3 |
White | R1 (left-most yellow terminal) | SC (Sensor Common - left of SP) | VAC- (Sensor Common) |
Red (a) | R1 (paired w/ above) | SC (paired with above) | VAC- (paired with above in Sensor Common) |
Red (b) | C (white terminal - far right) | SP (Sensor Power - far right) | VAC+ (Sensor Power) |
Brown | R2 | S1 | S1 |