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Yes, you are correct! In your case you can still do it with 2 Isolators and would be like Digram A in the installation instructions. You would not connect any field common wires directly to the controllers but instead connect ALL the field commons to the White wire of the Red/White pair of the Isolators. Then the Red of the Red/White pair would be the hot wire for the master valve. This will run all commons through the Isolators so both controllers are protected.

Hi Yes, Doubler or Doubler2 would allow you to add valves beyond the number of stations on your controller. We call this the dual program method. You can do this by using a Doubler2 and programming that station on multiple programs. For example, if you were to use a Doubler2 on station 22 you would program station 22 for a watering time on Program A, Program B, Program C and Program D. The Doubler will water the first valve on Program A, then water the second valve on Program B, third valve on Program C and fourth valve on Program D. Just a note to let you know that you would still need to have the program D run time even if you did not have a fourth valve on the Doubler2 as it will keep it in sequence so all the valves run on their correct stations for correct watering times. The Program D run time can just be a minimum time though and not a full watering time. Another option may be to use a Doubler (2 valve model) instead of a Doubler2 (4 valve model) and double two stations instead of running all the valves off one station. This would only require two programs instead of four if your controller was not capable. I hope this answers your question but you can always contact us if you need further assistance

While all valves use the same Common wire, a bad valve would not prevent other valves from operating unless they were all on the same Hot wire. If that was the case and the controller saw the bad valve and skipped the station that operated those valves then all valves on that Hot wire would be skipped. Systems are typically wired as one valve per station and most controllers these days cannot handle operating more than one valve at a time (plus maybe a master valve). If you have more than one valve operating on a single station it is probably best to separate them and operate them on individual stations. A Doubler or Doubler2 can be a great option for this if you don’t have enough wires in the ground. If the three valves are not all on the same Hot wire then you may have a bad connection in the Common wire. You can redo the Common wire connection in the valve box to see if that will remedy the situation. If it does not you may want to check the voltage on those stations at both the controller as well as at the valve to be sure you are getting full voltage (should be around 24 to 28 VAC). Using a multimeter you can measure this voltage between the station and the common terminals on the controller and then again between the two solenoid wires at the valve. I hope that made sense and I wish you luck in your troubleshooting!

Thank you! Yes, you can add new valves to an existing system using Doubler2. As long as you have a good hot wire on an existing valve you can add up to three new valves and operate all four using the Doubler2 to run them independently.

The lights were connected to the controller as a visual indicator for which valves were operating but are for demonstration purposes only and not functional.

That would depend on why the Master Valve was not working correctly. If it was something in the field wiring the Doubler may be able to help. While you would not be able to run a Master Valve on a Doubler or Doubler2 itself, they would allow you to steal a good hot wire from a nearby field valve to use for the master valve. Then use the Doubler or Doubler2 to operate multiple field valves without having to run new wiring back to the controller. We know that every system is different so if you ever have questions you can contact us directly. We would be happy to help!

Interesting perspective. However, I believe you will short the controller's hot terminal when the other controller is running a station and vice verse. Those hot terminals are only to send power, not to receive it, regardless if they're running from the same power. I was trying to connect two rachios to the same hot wire of a master valve and Kapoot.. I'm typing with only one hand now

You’re totally and completely right

Thank you for taking the time to check out the video! Yes, you can manually water a single station on any controller. Note that the Doubler2 cycles through its outputs each time it gets power so you would need to reset it once you are done. Say you wanted to give station 4 in this video a manual watering. You would activate station 4 until valve 4 is watering. Once valve 4 has finished watering you would need to put the Doubler2 back into sequence by activating station 8 until valve 8 is watering. You can see this at 5:20 in the video. Once you turn station 8 off the Doubler2 would be reset so it will water the valves in the correct sequence when it waters automatically.

That’s so much unnecessary confusing nonsense to just water a zone. Why not make it simple like a add-a-zone?

Doubler allows you connect two valves on one set of wires and control each valve separately from the controller so you do not need to run wires back to the controller.

Hello- I understand how the DOUBLER works. Here is my question. My timer only has 6 stations, but I have 7 valves. Can I tie 2 value solenoids together at my front yard, and run them both off the timer on one station? Water pressure is not an issue for me as they are both drip systems. @@EasyIrrigationRepair

Hi @@ronhummel9298 In your situation (since you have enough water pressure to water two valves simultaneously) you could probably just wire both valves together if your controller outputs enough power to run both at the same time. In this case you would not need a Doubler since both valves just run at the same time for the watering time set on that station. If you wanted to have both valves operate independently (ie you wanted to water different amounts of time per zone) the Doubler would allow you to use a single station on two different programs. Program A would water one valve and Program B would water the other. The Doubler allows you to use the same station twice in essence adding an additional station to your controller for watering that 7th valve on its own.

I did wire the two valves together, but my Orbit BHyve timer faults out on that station sporadically, so I will probably try the Doubler and use your suggestion about Program A and Program B to independently control them. On the timer side, how would the wiring be done since it's running off one zone? Thanks- @@EasyIrrigationRepair

@@ronhummel9298 The two valves wired together may be drawing just a bit too much power but may be right on the edge of its specifications which may be why it only faults sporadicly. For a “Dual program” (Program A and B) you would not need to run the jumper wire between stations since you are using the same station twice (once on Program A and once on Program B). When you program the start time for program B just add up the total of all the watering times on Program A and then set your start time after it ends. 
 Example: Program A Station 1 - 6 run for 10 minutes each = 60 Minutes Program A starts at 8:00 am so end time would be 9:00 am Make your start time for after 9:00 am. You can make it for 9:05am or you can leave a longer gap in time to account for any water time adjustments you make during the year on your Program A without having to adjust your start time for Program B to keep it simpler. There is a section in the product installation instructions for this type of install (Option 2) but if you have any questions you can always call in. We are always happy to help!

Yes, you are correct! You can use Doubler to add valves even if your controller is out of stations. Just like you said, you can use a single station to run all your valves. The Doubler will advance and run the next valve each time it receives power. Instead of running jumper wires you would just program the same station on four different programs. Program A would run the 1st valve(maybe an existing valve), Program B would run the 2nd valve, Program C would run the 3rd valve and Program D would run the 4th valve. Effectively adding 3 more stations to your controller! We know that every system is different and if you ever have questions you can always contact us directly. We would be happy to help you get it setup correctly to work with your system.

Hunter& Rainbird are of the same diameter, even more true good for Rotors and spray heads. In reality you could just use a pair of medium or small channel locks.

Thank you!

Thank you, we are here to help!

Thank you, and it will pay for itself in no time. Just think about all the time you won’t have to dedicate to that back breaking digging. And with a limited lifetime warranty you may never have to dig again! We build our products to last. Sounds like you may need to raise those sprinkler heads though. You want to make sure that the sprinkler can clear the turf when it pops up to water. If the pop-up is blocked by the grass and not providing the coverage to water its designated area, you will need to raise them by adding a riser or replace them with taller body sprinklers.