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Unleashing Efficiency in Landscape Irrigation: The Rain Bird ESP-2WIRE Controller

Unleashing Efficiency in Landscape Irrigation: The Rain Bird ESP-2WIRE Controller

The Rain Bird ESP-2WIRE is an innovative irrigation controller designed for projects up to 50 stations. It features a Decoder Auto-Address system that automatically detects and assigns addresses to all connected decoders, streamlining the setup process. The controller is compatible with standard direct burial irrigation wire and does not require special connectors or grounding. It is designed for ease of installation and programming, similar to the ESP-ME3 controller, and can be upgraded for WiFi-based monitoring and control with the LNK2 WIFI Module. The system is also WaterSense certified, offering potential water savings when paired with the appropriate modules and sensors.

In the evolving world of landscape management, efficiency is king. The Rain Bird ESP-2WIRE Controller emerges as a game-changer, merging advanced technology with user-friendly features to optimize irrigation practices. Let's dive into what makes the ESP-2WIRE a must-have for professionals aiming to achieve precision in irrigation without the complexities often associated with advanced systems.

Robust Capacity and Compatibility

The ESP-2WIRE stands out with its ability to handle up to 50 stations right out of the box, eliminating the need for additional expansion modules. This makes it a scalable solution for both small and extensive landscape projects. Its compatibility with standard direct burial irrigation wire, along with conventional connectors, ensures that installation is straightforward and hassle-free.

Smart Features for Enhanced Control

One of the core innovations of the ESP-2WIRE is its Decoder Auto-Address capability, which automatically detects and assigns addresses to decoders, significantly simplifying the setup process. The system supports up to two 2-wire paths, enhancing its versatility. Additionally, diagnostic LEDs located both on the back plane and on each decoder facilitate advanced troubleshooting, making maintenance routines less of a chore.

Tailored Watering Schedules

Flexibility in scheduling is vital for efficient water management. The ESP-2WIRE offers four programmable options, each with up to six start times, allowing customization according to the specific needs of different landscape areas. The one-touch manual watering feature adds convenience, enabling quick adjustments.

Visibility and Ease of Use

Visibility and operational ease are ensured via a large back-lit LCD display, which remains clear in both low-light conditions and direct sunlight. The Contractor Default™ feature is particularly noteworthy, allowing the saving and restoration of custom schedules effortlessly.

Advanced Watering Tools

The controller is designed with features that anticipate various weather conditions and landscape needs. It allows for a watering delay of up to 14 days, with an automatic resume, which is crucial during unpredictable weather patterns. The ability to bypass the rain sensor for individual stations offers further customization, ensuring that water is used only when necessary. Seasonal adjustments can be made by program, allowing for increases or decreases in water usage based on seasonal requirements.

Connectivity and Future Upgrades

In an age where remote monitoring is increasingly becoming the norm, the ESP-2WIRE is upgradable for WiFi-based control through iOS and Android devices with the addition of the LNK2 WIFI Module. This feature also enables the use of internet-based weather data to adjust irrigation schedules daily, potentially saving up to 30% in water usage.

Practical Installation and Maintenance

The practicality extends to its installation as well; the ESP-2WIRE can be installed indoors or outdoors, and it comes with a pre-installed power cord, which simplifies the setup process. Setting Permanent Days Off per program ensures that watering does not interfere with scheduled maintenance days, reflecting the thoughtful design tailored for professional use.

The Rain Bird ESP-2WIRE Controller is not just an irrigation device but a comprehensive tool designed to enhance the efficiency and effectiveness of landscape management. Its blend of advanced technology with practical, user-friendly features makes it an invaluable asset for professionals focused on sustainability and precision in irrigation.



Operating Specifications
Operating Temperature: Up to 149°F (65°C)
Electrical Specifications
Input required: 120VAC (+/- 10%), 60Hz, (International models: 230VAC (+/- 10%), 50Hz)
Output: 1.0A at 25.5VAC
Master Valve/Pump Start Relay
External battery back-up not required. Nonvolatile memory permanently saves the current programming and a 10 year life lithium battery maintains the controllers time and date during power outages.
120V Models: cULus [US and Canada], FCC Part 15 [US], NOM-001-SCFI-2018 [Mexico]
WaterSense certified with up to 30% water savings when installed with Rain Bird LNK2 WiFi Module and WR2 Rain Sensor


Width: 10.7 in. (27.2 cm)  
Height: 7.7 in. (19.5 cm)  
Depth: 4.4 in. (11.2 cm)


  • 2W-1 Decoder: Compatible decoder for ESP-2WIRE Controller
  • LNK2 WIFI: LNK2 WiFi Module for remote control and notification via iOS or Android device  
  • FG100: Flow Sensor
  • WR2RFC-48: Rain + Freeze Combo with 48-hour hold
  • RSD-BEx: Rain sensor w/ latching bracket, extension wire

    Distance Chart   

    Spec Sheet

    Install Manual

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