Rain Bird Sprinkler Timer Isa 304 Manual

Rain Bird ISA-304 Sprinkler Timer — Manual Overview & Quick Guide

What it is

The ISA-304 is a compact, user-friendly 4-station irrigation controller from Rain Bird’s ISA series. It’s designed for residential or light commercial systems, offering simple programming and reliable timed watering.

Maintenance & Tips

• Replace backup battery (if equipped) annually to keep time during power outages.
• Clean the dial face with a dry cloth; avoid spraying water directly on the timer.
• For winterization: Turn dial to OFF and unplug the transformer.

. It features a large LCD, six preset schedules, and a "Rain-Off" function that suspends watering without losing your settings. Initial Setup & Time Selection rain bird sprinkler timer isa 304 manual

Key Features of the Rain Bird Sprinkler Timer ISA 304 Rain Bird ISA-304 Sprinkler Timer — Manual Overview

Common issues and solutions:

Need further help? Contact Rain Bird Support at 1-800-RAIN-BIRD (1-800-724-6247) – but be prepared that they may no longer support ISA-specific parts. Replace backup battery (if equipped) annually to keep