Rachio compatibility with Irritrol Wireless Rain Sensor

Wiring Instructions for a Irritrol Wireless Rain Sensor

DISCLAIMER

Rachio is NOT affiliated or authorized by Irritrol; the Irritrol brand rain sensors are manufactured by Irritrol. 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.

IN THIS ARTICLE
  1. Wiring Chart
  2. Wiring Diagrams

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

 

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Wiring Diagram

Generation 1


Generation 2

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Rachio 3

Irritrol Wireless Rain Sensor with Rachio 3

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