---
product_id: 253868460
title: "Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers"
brand: "rain bird"
price: "S$96"
currency: SGD
in_stock: true
reviews_count: 9
category: "Rain Bird"
url: https://www.desertcart.sg/products/253868460-rain-bird-espsm3-3-station-expansion-module-for-esp-m
store_origin: SG
region: Singapore
---

# Hot-swappable tech 3 extra stations Tool-free install Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers

**Brand:** rain bird
**Price:** S$96
**Availability:** ✅ In Stock

## Summary

> 🌿 Upgrade your irrigation game without missing a beat!

## Quick Answers

- **What is this?** Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers by rain bird
- **How much does it cost?** S$96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/253868460-rain-bird-espsm3-3-station-expansion-module-for-esp-m)

## Best For

- rain bird enthusiasts

## Why This Product

- Trusted rain bird brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Quality:** Backed by Rain Bird’s industry-leading reliability and a 4.8-star rating from over 580 users.
- • **Expand Your Reach:** Add 3 additional irrigation stations seamlessly to your existing Rain Bird controller.
- • **Zero Downtime Upgrade:** Hot-swappable design lets you install without powering down—keep your landscape hydrated 24/7.
- • **Effortless Installation:** Plug-and-play module fits any available slot—DIY-friendly and ready in under 30 seconds.
- • **Universal Compatibility:** Works flawlessly with ESP-M, ESP-Me, ESP-SMT, and ESP-SMTe series controllers for ultimate flexibility.

## Overview

The Rain-Bird ESPSM3 is a 3-station expansion module designed to enhance your Rain Bird ESP modular irrigation controllers. Compatible with multiple ESP series models, it installs quickly in any available slot without needing to power down the system, ensuring uninterrupted watering and easy scalability for your smart garden setup.

## Description

Easily expand your Rain Bird ESP-Modular, ESP-Me, ESP-SMT or ESP-SMTe Series Controller with this 3 station hot-swappable module, which can be added without powering down the controller. Modules can be installed in any available slot.

Review: Easy install - Works perfectly. 30 second to install. Rain-bird products are always quality.
Review: Great item that's easy to install - Great product, easy install, completely a DIY money saver.

## Features

- Adds three additional stations to Rain Bird residential modular controllers
- Compatible with Rain Bird ESP-M, ESP-Me, ESP-SMT and ESP-SMTe series irrigation controllers
- Can be installed in any available slot
- Hot-swappable 3-station expansion module can be installed without powering down the controller

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08LQV42KF |
| Best Sellers Rank | #24,427 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #20 in Automatic Irrigation Controllers |
| Brand | Rain Bird |
| Brand Name | Rain Bird |
| Color | white |
| Customer Reviews | 4.8 out of 5 stars 581 Reviews |
| Manufacturer | Rainbird |
| Material | Plastic |
| Material Type | Plastic |
| Model | ESPSM3 |
| Part Number | ESPSM3 |
| Unit Count | 3.0 Count |

## Product Details

- **Brand:** Rain Bird
- **Color:** white
- **Manufacturer:** Rainbird
- **Material:** Plastic

## Images

![Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers - Image 1](https://m.media-amazon.com/images/I/51IQrhiQNTL.jpg)

## Questions & Answers

**Q: Compatible with esp tm2?**
A: No. The ESP-TM2 is NOT ans expandable controller. It comes in 4, 6, 8 and 12 station versions.

**Q: How does this work and can i use this on my rainbird sst600in?**
A: This module appears to be compatible with the especially model series.
Open up your controller to view what type of modules are inside. 
If u have your owners manual, check the specs to verify you can add a zone module or go online and see if it can be done with the controller you have.

**Q: can I purchase extra screws?**
A: Hello. We don’t have extra screw in package.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy install
*by J***. on April 27, 2026*

Works perfectly. 30 second to install. Rain-bird products are always quality.

### ⭐⭐⭐⭐⭐ Great item that's easy to install
*by J***. on April 13, 2026*

Great product, easy install, completely a DIY money saver.

### ⭐⭐⭐⭐⭐ Perfect replacement
*by M***Z on April 9, 2026*

Perfect fit and had no issues

## Frequently Bought Together

- Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers
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**Shop now:** [https://www.desertcart.sg/products/253868460-rain-bird-espsm3-3-station-expansion-module-for-esp-m](https://www.desertcart.sg/products/253868460-rain-bird-espsm3-3-station-expansion-module-for-esp-m)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-07-07*