(or slide them down) for the days you want the system to remain OFF .
Press to set "Start Time 2" or "Start Time 3" if multiple waterings per day are needed. 4. Set Station Durations (Run Times) Turn the dial to "Custom Schedule – Duration" .
A: The "ISA" stands for Rain Bird's Indoor Sprinkler Timer series. The "3" indicates it is part of the 300 series, and the "04" indicates it has 4 stations .
Long-term users report high satisfaction, with units often lasting over 20 years. rain bird sprinkler timer isa 304 manual
Indoor installation only (requires protection from weather).
Turn the central programming dial to Time & Day .
This guide is for general informational purposes. Always refer to the original manufacturer’s manual for complete safety instructions and warranty information. (or slide them down) for the days you
Press the button. The minutes will flash. Use the Value buttons to set the correct minute.
This sets how long each sprinkler zone runs.
Uses a 9-volt alkaline battery to maintain time and programming during power outages. ⚙️ Initial Setup & Hardware Installation Set Station Durations (Run Times) Turn the dial
The timer will now execute your programmed schedule automatically. Manual Operation Instructions
For specific days, use the button to cycle through Monday through Sunday. Press Value + to turn a day ON (indicated by an icon or icon fill) or Value - to turn a day OFF. Step 5: Activate the System
A successful installation ensures reliable operation. Follow these steps to properly set up your ISA 304.
Use the included screws and wall anchors to securely hang the controller.