According to the following, yes:
https://support.rachio.com/hc/en-us/articles/115010378947-How-do-I-install-a-flow-sensor-Generation-2-#compatible
I would also check out:
According to the following, yes:
https://support.rachio.com/hc/en-us/articles/115010378947-How-do-I-install-a-flow-sensor-Generation-2-#compatible
I would also check out: