Rain Bird three-station expansion module with screw terminals
Rain Bird three-station expansion module with screw terminals
Rain Bird ESP-ME3 controller showing internal expansion modules
Rain Bird ESP-ME3 controller showing internal expansion modules
Rain Bird three-station expansion module with screw terminals
Rain Bird ESP-ME3 controller showing internal expansion modules

RAIN BIRD ESP-ME STATION EXPANSION MODULES

Rain Bird ESP-ME Station Expansion Modules add conventional wired watering zones to compatible ESP-ME3 and ESP-Me modular controllers. Choose a 3- or 6-station module to suit the additional zones and available bays. The ESP-ME3 starts with four stations and expands to 22. Modules are purchased separately from the controller.

✓ 3- and 6-Station Expansion Module Options
✓ For Compatible ESP-ME3 and ESP-Me Controllers
✓ One Expansion Bay per Module
✓ ESP-ME3 Expandable from 4 to 22 Total Stations
✓ Expansion Modules Only. Controller Purchased Separately
✓ 3 Year Rain Bird Trade Warranty

Rain Bird ESP-ME3 Controller 230V Installation and Programming Guide
Rain Bird ESP-ME3 Controller Specifications
Rain Bird LNK2 Wi-Fi Module Specifications

More Information
Product Specifications
Product Videos
Rain Bird three-station expansion module with screw terminals
RAIN BIRD ESP-ME STATION EXPANSION MODULES
Rain Bird ESP-ME3 controller with cover open and green dial panel
Rain Bird Controller ESP-ME3 Modular 4 Station Base Outdoor (Max 22 Stations) CNRESPMEO0422
$378.88 /each
Rain Bird three-station expansion module with screw terminals
Controller Rain Bird ESP-ME 3 Station Expansion Module CNRESPME3SEM
$71.19 /each
Rain Bird six-station expansion module with screw terminals
Controller Rain Bird ESP-ME 6 Station Expansion Module CNRESPME6SEM
$138.59 /each
Black Rain Bird LNK2 Wi-Fi module
Controller Rain Bird LNK2 WiFi Module for ESP Controllers CNRLNKWM
$198.50 /each

Rain Bird ESP-ME Station Expansion Modules add conventional station outputs to compatible ESP-ME3 and ESP-Me modular irrigation controllers. Each output controls a separate watering zone through the controller. The range includes 3- and 6-station modules. These are expansion accessories, not complete controllers.

Check that the existing controller is a compatible ESP-ME3 or ESP-Me and has an available expansion bay before ordering.

The module slides into an available compatible bay and is secured with its locking lever. The controller supplies power to the module. Follow the controller’s installation guide for fitting.

The ESP-ME3 includes four base stations and has three expansion bays. Each bay accepts a compatible 3- or 6-station module. For straightforward station sequencing, Rain Bird recommends placing 6-station modules before any 3-station module. Each expansion bay can accept either module size. The table shows recommended layouts from left to right.

Recommended ESP-ME3 module layouts

Bay 1 contains the supplied four-station base (stations 1–4). The table shows recommended module layouts in Bays 2, 3 and 4, from left to right. Modules are purchased separately.

Total stations Bay 2
Stations 5–10		 Bay 3
Stations 11–16		 Bay 4
Stations 17–22
4 None None None
7 3-station None None
10 6-station None None
13 6-station 3-station None
16 6-station 6-station None
19 6-station 6-station 3-station
22 6-station 6-station 6-station

A 6-station module uses all six station numbers assigned to its bay. A 3-station module uses only the first three: 5–7 in Bay 2, 11–13 in Bay 3, or 17–19 in Bay 4. The remaining numbers in that bay are skipped.

LNK2 is available separately for Rain Bird app connectivity on compatible controllers.

3 Year Rain Bird Trade Warranty.

Compatible ESP-ME3 controller and installation documents
Rain Bird ESP-ME3 Controller 230V Installation and Programming Guide
Rain Bird ESP-ME3 Controller Brochure
Rain Bird ESP-ME3 Controller Specifications
Rain Bird ESP-ME3 Controller Quick Reference

Separate LNK2 Wi-Fi module
Rain Bird LNK2 Wi-Fi Module Brochure
Rain Bird LNK2 Wi-Fi Module User Guide
Rain Bird LNK2 Wi-Fi Module Specifications
Rain Bird LNK2 Amazon Alexa Integration Guide

✓ Application
Adds conventional wired watering stations to a compatible modular controller.

✓ Warranty
3 Year Rain Bird Trade Warranty.

✓ Module Options & Supply
Module Options: 3- and 6-station expansion modules.
3-Station Module: Adds 3 station outputs.
6-Station Module: Adds 6 station outputs.
Supply: Expansion module only. Controller purchased separately.

✓ Compatibility
Controllers: Compatible Rain Bird ESP-ME3 and ESP-Me modular controllers.
ESP-TM2: Not compatible. ESP-TM2 station capacity is fixed.
Selection: Check controller model and available expansion bays before ordering.

✓ ESP-ME3 Expansion
Included Controller Capacity: 4 base stations.
Maximum Controller Capacity: 22 stations with three 6-station modules.
Expansion Bays: Three, each accepting a compatible 3- or 6-station module.
Bay Usage: One bay per module.
Recommended Layout: Place 6-station modules before any 3-station module for straightforward station sequencing. Each expansion bay accepts either size.
Station Numbering: Fixed by bay. 3-station modules leave gaps in the numbering.

✓ Installation & Power
Fitting: Slides into a compatible expansion bay and locks using the securing lever.
Power: Supplied by the controller.

✓ Functions
Added Function: Station outputs only.
Programming: Controlled by the host controller.
Wi-Fi: Not provided by the station module. Separate compatible connectivity hardware required.
Flow Monitoring: Depends on the host controller and compatible sensor.

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