Water Efficiently; Replace your outdated controller with a state-of-the-art unit that supports optimal watering times and levels that conform to the latest technology. Like Irritrol, Rainbird, and Hunter. Indoor And outdoor. Sprinkler System Repair and Replacement: Eliminate unsightly dry spots and dead patches. Alex troubleshoots, repairs, and/or replaces existing valves-in-line and anti-siphon. He also repairs, replaces, and adjusts all types of sprinkler heads, including gear-drive, impact, and pop-up style.