• Easy programming: Rain Bird's easy to use Extra Simple Programming style with larger LCD dispaly.
• Time, date and program schedule are stored in case of a power outage.
• Enhanced Diagnostic Feedback™ alerts the user to conditions when watering is suspended due to an activated sensor, shorted stations or programming errors with a warning light and text message on the LCD.
• Permanent Day off allows the user to set any day of the week as a non-watering day in any program or schedule, making it easy to comply with watering restrictions or other requirements such as weekly lawn care or maintenance.
• Global Season Adjust (0-200%) allows the user to alter the run time of all the valves in every program with the push of a button.
• Dedicated sensor terminals allow the user to easily connect a sensor to the controller for maximum water efficiency.
• Sensor bypass switch allows the user to override an active sensor.

Operating Specs

• Number of programs: 3 independent
• Automatic Starts: 4 per program, 12 total
• Station timing: 0 to 6 hours for all stations
• Independent programming schedules:
  - Custom (user selects the day of the week to water)
  - Odd (watering occurs on only odd days of the month except the 31st and February 29th on a leap year)
  - Even (watering occurs on only even days of the month)
  - Cyclical (watering occurs between from once a day to once every 31 days)

Electrical Specifications

• Input required: 120 VAC ± 20%, 60Hz
• Output: 25.5 VAC 1A
• Surge Protection: Primary input side has built in MOV (metal oxide varistor) to protect microcircuitry. Output side has 1 built in MOV for each valve station
• Power back-up: Lithium coin-cell battery maintains time and date while non-volatile memory maintains the schedule
• Multi-valve station capacity: Up to two 24 VAC, 7VA solenoid valves per station plus a master valve

Dimensions

• Width: 10.7 in. (27,2 cm)
• Height: 7.7 in. (19,5 cm)
• Depth: 4.4 in. (11,2 cm)

Models

• ESP-4Mi: 4 station indoor model*
• ESP-4M: 4 station outdoor model*
• ESP-SM3: 3-station module
  *Available in 120VAC, 230VAC, 240VAC models