What Does Yard Sprinkler System Installation Do? Home Sprinkler System InstallationWarmth from the transformer can help in reducing wetness as well as protect components in the controller from rust. The controller needs to be set to run via a minimal cycle once a week to help maintain solenoid plungers from http://jwlawncare76296.thezenweb.com/The-Definitive-Guide-to-Professional-Sprinkler-Installation-35544798