I’ve been reading about the Rachio products a lot and am hoping to replace a very dated RC-1230. This unit, in a house we purchased a few years ago, has a damaged timer wheel that will not transition from zone-to-zone at the end of the last watering season. I’m comfortable with low voltage wiring …

We have seen that bad boy quite a few times. Will see if our amazing support team has recommendations. :cheers:

[image] JoeyPeligroso: There does appear to be a label for the wiring harness on this 12-zone unit. @JoeyPeligroso , good morning. Thanks for reaching out. Looking at your wiring, I believe you should be able to reference the label in the RC-1230 next to all of your wires to identify what wire…

I have replaced a few of these old units at some of my friends houses. Here’s a link to the original manual that may help. The RC-1230 is a 24volt unit. man_RC1230.pdf 848.40 KB

I appreciate everyone who responded so promptly! I ordered my new Rachio V2 unit and it should be here this evening…thanks to our speedy friends at Amazon! I’ll check out that manual as well. Looks like I should be OK for getting started tomorrow with the wiring if the unit comes tonight. I also…

You are going to go nuts over rachio, coming off of this ancient beast from the crustatious period. You are gonna save some big time dollars in water.

Well, Amazon came through and delivered my Rachio same day. So, today I removed the old system. I started with the wiring harness…which despite being a complete rats nest, did have labeling corresponding to the manual and to the wiring diagram of the old Rainbird unit. [image] I used a label ma…

Beautiful! Thanks for sharing :wink: Pretty amazing before and after pictures. :cheers:

Hopefully this will help and encourage the next person with the same ancient Rainbird unit to consider an upgrade! Thanks to everyone for the tips and help!

Up and running since Wednesday, working perfectly! Shocking how much easier this is to use than the old Rainbird! I did not have to change any of the wiring I did last weekend and all zones are running well.

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RainBird RC-1230