Quote:
Originally Posted by DAIII
Not to mention the irrigation system has a 9volt battery (or should have) if you open the last door of the irrigation system which should hold settings in the event of a power loss.
|
Yes, there is a space for a 9 volt battery, but it is optional and is not needed to store the controller settings. The only purpose for the 9 volt battery is to allow the installer to set up the controller when there is no power to the house.