Rain Bird - ESP-ME Series 4 Station WIFI Enabled Controller - Indoor/Outdoor

The Rain Bird ESP-ME3 Smart Controller is a flexible, expandable irrigation solution for residential and light commercial applications. It supports WiFi upgrades, flow monitoring, and easy programming through a large backlit display. Designed for both indoor and outdoor installation, it delivers durable, water-efficient control with the ability to manage up to 22 stations.

Key Features:

• Expandable from 4 to 22 stations with hot-swappable modules
• Compatible with Rain Bird LNK WiFi Module and wired flow sensors
• Large 3" easy-to-read backlit LCD screen
• Flow monitoring with alert capabilities to prevent water waste
• One-touch manual watering and rain sensor compatibility

Construction & Durability:

• Weather-resistant plastic wall-mount cabinet with locking door
• Designed for both indoor and outdoor installations
• Non-volatile 100-year memory to retain programming without battery
• 10-year lithium battery for time/date backup during power outages

Performance & Functionality:

• 4 programs with up to 6 independent start times each
• Custom, odd, even, and cyclic watering day scheduling
• Seasonal adjustment from 5% to 200%
• Delay watering up to 14 days without losing programming
• Advanced diagnostics with LED alerts for system errors

Ease of Installation & Use:

• Simple installation with two mounting screws and conduit fittings
• Tool-free hot-swappable module expansion
• Remotely programmable using a 9V battery (detached front panel)
• Quick setup with color-coded dial and universal icons

Technical Specifications:

• Operating Pressure Range: Controller only (matches solenoid specs)
• Input Power: 120V AC ±10%, 60Hz (international models 230V)
• Output Power: 25.5V AC 1A
• Master Valve/Pump Start: 24V AC, Max Coil Inrush 11VA, Holding 5VA
• Idle/Off Power Draw: 0.06A at 120V AC
• Dimensions: Width 10.7", Height 7.7", Depth 4.4"
• WiFi Compatibility: Rain Bird LNK WiFi Module (sold separately)
• Flow Sensor Compatibility: Supports wired flow sensors
• UV-Resistant Components: Yes

Installation & Application:

• Recommended Uses: Residential, commercial, parks, schools
• Installation Method: Wall-mounted indoor or outdoor installation
• Soil & Climate Suitability: Suitable for a wide range of environments

Compatibility & Optional Accessories:

• Compatible with Rain Bird LNK WiFi Module for smartphone control
• Works with Rain Bird WR2 wireless and RSD wired rain sensors
• Supports all Rain Bird valves, rotors, sprays, and drip products
• Optional ESPSM3 (3-station) and ESPSM6 (6-station) expansion modules