Description
Product Overview
The Rain Bird LNK WiFi plug‑in module is engineered to transform your existing ESP‑TM2 or ESP‑Me irrigation controller into a fully wireless, cloud‑connected system. Constructed from a durable ABS housing, the module measures 4.2 x 2.1 x 4.2 inches and weighs just 3.84 ounces, making it unobtrusive yet robust enough for outdoor environments. It connects directly to the accessory port on the front panel of compatible controllers, eliminating the need for external wiring or complex installations. Once installed, the module communicates via a secure 2.4 GHz Wi‑Fi network, enabling real‑time access through the Rain Bird mobile app on iOS and Android devices. The module supports up to 10 zones per controller, providing precise control over sprinkler heads, drip lines, and other watering devices. With a battery‑free design that draws power from the controller, the LNK WiFi module offers a maintenance‑free solution that lasts for the life of the controller.
![[Product front view showing all components]](https://www.melvra.store/wp-content/uploads/2026/07/0c6e9f2dc1b6430a853073abc50997a3.jpg)
Usage
Designed for residential lawns, gardens, and small commercial landscapes, the LNK WiFi module excels in any setting where water conservation and schedule flexibility are priorities. Homeowners can create custom watering programs that adjust for seasonal changes, rain forecasts, and soil moisture levels—all from a tablet or smartphone while away from the property. Landscape professionals can deploy the module across multiple sites, monitoring each system remotely and making instant adjustments to meet client specifications. The module’s compact form factor allows it to be installed in tight spaces, such as utility closets or near existing controller panels, without disrupting existing wiring. Its weather‑resistant enclosure ensures reliable operation in rain, heat, and dust, making it suitable for both suburban backyards and commercial green spaces.
Why Choose Us
Rain Bird is a trusted name in irrigation technology with over 80 years of industry experience. The LNK WiFi module benefits from Rain Bird’s rigorous quality‑control processes, ensuring each unit meets exacting performance standards before it reaches the customer. Unlike generic aftermarket adapters, this module is fully compatible with Rain Bird’s proprietary controller firmware, guaranteeing seamless integration and reliable data transmission. The product is backed by a comprehensive warranty and responsive customer support that can assist with setup, app configuration, and troubleshooting. Additionally, the module is designed with future‑proofing in mind, supporting over‑the‑air firmware updates that keep the device current with the latest security protocols and feature enhancements.
Key Features
- Wireless control lets you adjust watering schedules from any smartphone or tablet.
- Plug‑in design requires no additional wiring, simplifying installation for DIY users.
- Secure 2.4 GHz Wi‑Fi connection provides reliable, real‑time communication with the Rain Bird app.
- Durable ABS housing and weather‑resistant rating ensure long‑term outdoor performance.
- Rain Bird customer support and warranty give peace of mind and easy after‑sales assistance.
FAQ
Can the LNK WiFi module be used with older ESP‑Me controllers?
Yes. Controllers manufactured before November 2016 can be upgraded to accept the module by installing the optional ESP‑Me upgrade panel, which is sold separately.
Do I need a separate Wi‑Fi network for the module?
No. The module connects to your existing home or office Wi‑Fi network, using the same credentials you use for other devices.
Is there a subscription fee for using the Rain Bird app?
The Rain Bird app is free to download and use for basic scheduling and monitoring. Advanced features, such as weather‑based adjustments, may require a paid subscription.
What happens if the power to the controller is lost?
The module draws power directly from the controller. If the controller loses power, the module will temporarily stop communicating until power is restored, after which it resumes normal operation.
How many zones can I control with a single module?
The LNK WiFi module supports up to 10 zones per controller, allowing comprehensive management of most residential irrigation systems.






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