Skip to content
DIG 400A battery-operated controller with retractable two-wire solenoid and three valve adapters, shown assembled.

DIG 400A Series Battery Controller with Two-Wire DC Latching Solenoid

Brand: DIG
Save 25%
$142.28
$106.71
SKU 400A-000
In Stock (4)

Notify me when back in stock

The DIG 400A Series single-station battery-operated controller provides reliable, waterproof irrigation control where AC power is unavailable. Compact and rugged, the unit includes a two-wire DC latching solenoid and three adapters to retrofit Rain Bird, Hunter, and Toro valves. Designed for residential and commercial installations, the controller offers intuitive keypad programming, precise runtimes and a retractable solenoid cord for easy valve access.

  • Battery-powered & long life: Runs on two AA alkaline batteries with up to three years of typical battery life and a safe 60-second battery swap window.
  • Waterproof construction: IP68 sealed housing and glass-reinforced nylon solenoid housing for dependable operation in wet or harsh environments.
  • Flexible programming: Seven-button interface with high-resolution LCD, AM/PM or 24-hour clock, up to four start times and cyclical or weekly scheduling.
  • Universal valve compatibility: Includes adapters for Rain Bird, Hunter and Toro; fits 3/4" to 2" globe valves (NPT or BSP).
  • Robust solenoid & valve specs: 7–12 VDC latching solenoid, .065" orifice, retractable 8.1" coiled lead (≈36" extended), 11/16"-12 UN thread.
  • Built for performance: Inline globe valve options available; high-flow design, reinforced diaphragm and stainless-steel components reduce maintenance.

Engineered for straightforward installation and low maintenance, the DIG 400A delivers precise irrigation control, long battery life and proven durability. Non-volatile memory preserves programming, low-battery indication helps prevent downtime, and the controller is backed by DIG's three-year warranty. Downloadable manuals and CAD files are available for installers.

Reviews

Frequently Asked Questions

What batteries does the DIG 400A use and how long do they last?
The controller uses two AA alkaline batteries. Typical battery life is up to three years under normal use; low-battery indicator included.
Is the 400A suitable for outdoor or below-grade installation?
Yes. The controller and solenoid are IP68 rated for waterproof operation in wet or harsh environments.
Which valves will the 400A retrofit without extra parts?
Includes adapters to convert Rain Bird and Hunter valves (also works with Toro); fits 3/4"–2" globe valves (NPT or BSP).
Can I program multiple start times and custom schedules?
Yes. The seven-button interface and LCD support up to four start times, weekly or cyclical schedules, and AM/PM or 24-hour format.