Irritrol KD400-EXT KD2 Series Outdoor Controller, 4-Station
Irritrol KD400-EXT KD2 Series Outdoor Controller, 4-Station
Irritrol
Controllers & Timers · Residential Outdoor Controllers
Irritrol KD400-EXT KD2 Series Outdoor Controller, 4-Station
Product summary
The Irritrol KD400-EXT is a KD2 Series outdoor residential irrigation controller with 4 stations. It is designed for automatic, semi-automatic, and manual irrigation scheduling while keeping the familiar Irritrol controller interface. The outdoor KD2 format is suitable for residential and light landscape irrigation systems that need flexible scheduling, weather-sensor compatibility, rain-sensor readiness, and durable outdoor installation.
Key features
- 4-station outdoor KD2 Series controller
- Three independent programs for different watering schedules
- Automatic, semi-automatic, and manual operation
- Multiple watering day options, including days-of-week, odd/even dates, and repeating interval schedules
- Compatible with Climate Logic weather sensing and SMRT Logic remote/app-based control accessories
- RainSensor-ready with sensor terminal and bypass switch
- Self-diagnostic electronic circuit breaker for valve or field-wire shorts
- Non-volatile memory retains program information during power interruptions
Quick specifications
- Stations
- 4
- Voltage
- 220-240 VAC
- Frequency
- 50-60 Hz
Complete technical details
- Stations: 4
- Installation Type: Outdoor controller
- Electrical Output per Station: 24 VAC, 0.4 amp maximum
- Total Output: 24 VAC, 0.8 amp maximum including master valve
- Transformer Output: 24 VAC, 1.25 amps
- Transformer Input: 220-240 VAC / 50-60 Hz
- Outdoor Dimensions: approximately 8 in H x 6 in W x 4.5 in D
- Supported Accessories: Climate Logic weather sensor, SMRT Logic gateway, CRR remote system, RS1000/RFS1000/RS500 rain sensors, SR-1 pump start relay
Best used for
- Residential irrigation systems
- Outdoor controller replacements
- Small to medium landscape zones
- Installations needing weather-sensor or remote-control accessory compatibility
Compatibility and notes
Select the controller version with the voltage and transformer configuration required for the installation. KD2 input options vary by market configuration.
Helpful buying guide
How to Choose an Irrigation Controller
Compare stations, power options and connectivity before choosing a controller.
Read the guide: How to Choose an Irrigation Controller →