Best Rain Bird Watering Computers of 2026

Toby Butcher Avatar
Toby Butcher
Last Updated: 5 Feb 2026

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Rain Bird offers a range of innovative watering computers that are designed to make watering your garden or lawn a hassle-free experience. These computers are equipped with user-friendly features that allow you to easily program and schedule watering times, adjust watering durations and intervals, and even monitor your water usage. With Rain Bird's watering computers, you can ensure that your plants receive the right amount of water at the right time, helping to keep them healthy and vibrant all year round. Whether you're a seasoned gardener or a novice, Rain Bird's watering computers are an excellent choice for anyone looking to simplify their watering routine and achieve optimal results.

At a Glance: Our Top Picks

Rain Bird ZA84002 Tap Programmer with Manual Watering Cover #TOP 1
Rain Bird ZA84002 Tap Programmer with Manual Watering
ftb score rating icon 9.8
Rain Bird ESP-TM2 4-Zone Irrigation Controller Cover #TOP 2
Rain Bird ESP-TM2 4-Zone Irrigation Controller
ftb score rating icon 9.7
Rain Bird ESP Me Expansion Module for Irrigation Cover #TOP 3
Rain Bird ESP Me Expansion Module for Irrigation
ftb score rating icon 9.5

Top 10 Rain Bird Watering Computers

#TOP 1

Rain Bird ZA84002 Tap Programmer with Manual Watering

ZA84002
Grey
18.50x7.00x22.00 cm
Rain Bird ZA84002 Tap Programmer with Manual Watering Cover
Rain Bird ZA84002 Tap Programmer, Black (3/4 inches)

The Rain Bird Tap Programmer is a user-friendly watering computer designed for convenience. With a 3/4 inch connection, it fits various outdoor taps. You can easily manage your watering schedule with buttons for immediate cancellation, manual watering, and irrigation. The device allows for a watering duration of up to 6 hours, ensuring your garden receives ample moisture. Additionally, it supports 2 cycles per day, giving you flexibility in managing your garden’s needs.

What We Like
Easy-to-use buttons
Flexible watering duration
Supports multiple cycles
Compatible with standard taps
#TOP 2

Rain Bird ESP-TM2 4-Zone Irrigation Controller

4332686446
gray, black
Rain Bird ESP-TM2 4-Zone Irrigation Controller Cover
Rain Bird ESP-TM2 Irrigation Controller (WiFi Module Not Included) / 4 Zones RainBird TM2-4

The Rain Bird ESP-TM2 Controller is designed for easy installation, whether indoors or outdoors, featuring a factory-installed 6-foot power cord. Programming your irrigation schedule is a breeze with its straightforward three-step process, aided by a large back-lit LCD display that ensures visibility in various lighting conditions. You can also enjoy advanced features like Contractor DefaultTM, which allows you to save and restore your custom schedules effortlessly. Additionally, you can delay watering for up to 14 days, offering flexibility to meet your gardening needs.

What We Like
Quick and easy installation
Simple three-step programming
Large back-lit LCD display
Custom schedule saving feature
Flexible watering delay options
#TOP 3

Rain Bird ESP Me Expansion Module for Irrigation

NN104
Grey
3.5 x 4 x 9 cm
Rain Bird ESP Me Expansion Module for Irrigation Cover
Rain Bird Irrigation computer control device Type: ESP Me Expansion Module 3 Stations, Grey, 3.5 x 4 x 9 cm F38200

The Rain Bird ESP Me Module is an essential tool for efficient irrigation control. It features a secure date and time setting, ensuring that your schedule remains intact, even during power cuts. This means you can trust that your plants receive the right amount of water at the right time. Additionally, it comes with a 365-day calendar, allowing you to plan your irrigation throughout the entire year. This added convenience helps you maintain a healthy garden without the stress of constant monitoring.

What We Like
Easy time management
Year-round irrigation planning
Reliable during power outages
#TOP 4

Rain Bird F48373 1 Zone Battery Irrigator

F48373
grau
Rain Bird F48373 1 Zone Battery Irrigator Cover
Rain Bird F48373 1 Zone Battery Irrigation Programmer with Valve, Includes 5 Year Warranty, Waterproof, Over 2 Years Battery Life

The Rain Bird Battery Irrigation Programmer is designed for ease of use and durability. Its waterproof design protects against dirt and water, allowing you to install it in various locations without concern. With over two years of battery life, you can rely on this programmer even in challenging conditions, ensuring your irrigation system runs smoothly. The intuitive programming feature lets you optimise workflows easily, making precise irrigation simple for homeowners and facility managers alike.

What We Like
Waterproof design for durability
Over two years battery life
Intuitive programming for easy use
Includes valve for convenience
#TOP 5

Rain Bird Lnk WiFi Module for Irrigation

F55001
grey
Rain Bird Lnk WiFi Module for Irrigation Cover
Rain Bird Lnk WiFi Module Grey

The Rain Bird Lnk WiFi Module allows you to manage your irrigation system from anywhere, providing full access while you're on the go. Designed to work with your existing programmes, it simplifies updates by simply plugging it into the accessory port and using the app. The user-friendly app offers all the required controls, making it easy for you to oversee your watering needs. With professional functions, you can manage multiple locations, ensuring optimal care for your green spaces while saving up to 30% on water through automatic, weather-based adjustments.

What We Like
Remote access to irrigation
User-friendly app interface
Automatic weather-based adjustments
Manage multiple locations easily
Water-saving features
#TOP 6

Rain Bird ESP9VI1 Battery Irrigation Programmer

ESP-9V
green
Rain Bird ESP9VI1 Battery Irrigation Programmer Cover
Rain bird 1 Zone Battery Irrigation Programmer ESP9VI1 F48351

The Rain Bird ESP9VI1 is a battery-operated irrigation programmer designed to offer reliable and easy watering control. Its waterproof design protects the device from dirt, dust, and water, allowing you to install it in various outdoor locations without worry. With over two years of battery life, you can trust it to work efficiently even in tough, humid environments, reducing the need for frequent battery changes. The intuitive programming system makes it simple for you to set up and adjust watering schedules, ensuring your garden or lawn receives precise irrigation tailored to your needs.

What We Like
Waterproof and durable design
Long battery life over two years
Easy and intuitive programming
#TOP 7

Rain Bird Modulo Magnification 3-Station Electric Watering Programmer

part_B07CG4553Z
white
Rain Bird Modulo Magnification 3-Station Electric Watering Programmer Cover
R. Bird – Modulo Magnification 3 Stations of Watering for Programmer Electric ESP meeu 4 Stations.

The Rain Bird Modulo Magnification is a versatile watering programmer designed to make irrigation simple and efficient. It features a large LCD display with an easy-to-use interface, allowing you to navigate settings effortlessly. The built-in rain sensor override helps you save water by pausing watering during rainfall. Its non-volatile memory stores your settings for up to 100 years, so you won’t lose your programmes even if the power fails. Powered by 9V batteries (not included), it offers flexible programming options including days of the week, odd/even calendar days, and cyclic scheduling, giving you full control over your watering routines.

What We Like
Easy-to-read LCD display
Rain sensor override included
Long-term memory storage
Flexible programming options
Battery powered for convenience
#TOP 8

Rain Bird WPX2 2 Stage Battery Controller

NN151
Grey
14 x 8.5 x 11.5 cm
Rain Bird WPX2 2 Stage Battery Controller Cover
Rain Bird Irrigation computer controller type WPX2 2 Stage System 9 V Battery Operation – Grey, 14 x 8.5 x 11.5 cm, F48312

The Rain Bird WPX2 Controller is a compact and practical irrigation controller designed to help you manage your watering system with ease. Its grey plastic casing is durable and weather-resistant, making it suitable for outdoor use. The 2-stage system offers better control over watering zones, allowing you to tailor irrigation to your garden's needs. Powered by a 9V battery, it ensures reliable operation without the need for a direct power supply, giving you convenience and flexibility in placement.

What We Like
Compact and durable design
Easy battery operation
Two-stage irrigation control
Weather-resistant plastic material
#TOP 9

Rain Bird TM2I4-230 Indoor WiFi Controller

grey
Rain Bird TM2I4-230 Indoor WiFi Controller Cover
Rain Bird TM2I4-230 Programmer 4 Stations Indoor Compatible WiFi - F54234

The Rain Bird TM2I4-230 Controller is a 4 station WiFi programmer designed for indoor use. This device allows you to manage your watering schedule efficiently, ensuring your plants receive the right amount of water. With its WiFi compatibility, you can control your watering system remotely, providing convenience and flexibility. The user-friendly interface makes it easy for you to set up and adjust your watering times, helping to maintain a healthy garden without hassle.

What We Like
WiFi compatible for remote access
Easy-to-use interface
Efficient watering management
4 station control
#TOP 10

Rain Bird ESP9VI2 Battery Irrigation Programmer

F48352
green
Rain Bird ESP9VI2 Battery Irrigation Programmer Cover
Rain Bird ESP9VI2 2 Zones Battery Irrigation Programmer (F48352)

The Rain Bird ESP9VI2 Programmer is designed with a waterproof feature, ensuring it remains safe from dirt, dust, and water, making it suitable for any installation location. With an impressive battery life of over two years, this device operates reliably even in harsh and humid conditions. Its intuitive programming allows you, whether an installer, facility manager, or homeowner, to optimise your irrigation workflows easily. This means you can ensure your plants receive the right amount of water precisely when they need it, enhancing the efficiency of your watering tasks.

What We Like
Waterproof design
Long battery life
Easy programming
Optimises irrigation
Buying Guide Image
Editor's Notes

During our Rain Bird watering computer research, we found 25 Rain Bird watering computer products and shortlisted 10 quality products. We collected and analyzed 5,934 customer reviews through our big data system to write the Rain Bird watering computers list. We found that most customers choose Rain Bird watering computers with an average price of £110.89.

The Rain Bird watering computers are available for purchase. The top 10 picks range in price from a low of £34.00 to a high of £168.00, find the one that fits your budget.

Written by
Toby Butcher Avatar

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.