---
product_id: 356898257
title: "Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers"
brand: "rain-bird"
price: "£40.87"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/356898257-rain-bird-espsm3-3-station-expansion-module-for-esp-m
store_origin: GB
region: United Kingdom
---

# Hot-swappable design Compact dimensions 3 additional stations Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers

**Brand:** rain-bird
**Price:** £40.87
**Availability:** ✅ In Stock

## Summary

> 🌿 Expand Your Garden's Potential!

## 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?** £40.87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/356898257-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

- • **Durable Design:** Crafted from high-quality plastic for longevity.
- • **No Downtime Needed:** Install without powering down your system.
- • **Expand Your Control:** Easily add 3 stations to your existing setup.
- • **Seamless Integration:** Compatible with multiple Rain Bird controllers.
- • **Lightweight & Compact:** Weighs only 68 grams for easy handling.

## Overview

The Rain-Bird ESPSM3 is a versatile 3-station expansion module designed for seamless integration with Rain Bird's ESP-M, ESP-Me, ESP-SMT, and ESP-SMTe series irrigation controllers. Its hot-swappable feature allows for easy installation without the need to power down, making it a perfect addition for those looking to enhance their irrigation system effortlessly.

## Description

Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers

## 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 |
|---------------|-------|
| Package Dimensions | 11.81 x 8.41 x 3.99 cm; 68 Grams |
| Part number | ESPSM3 |
| Material type | plastic |
| Manufacturer | Rainbird |
| Manufacturer reference | ESPSM3 |
| ASIN | B08LQV42KF |

## 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.

## 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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- Rain Bird LNK2 Smart WiFi Module (2nd Generation), Compatible with TRU Rain Bird Irrigation Timers and ESP-LXIVM, ESP-ME, ESP ME3, ESP-TM2, LXME2, RZXe Controllers Made After 11/2/16

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**Shop now:** [https://www.desertcart.co.uk/products/356898257-rain-bird-espsm3-3-station-expansion-module-for-esp-m](https://www.desertcart.co.uk/products/356898257-rain-bird-espsm3-3-station-expansion-module-for-esp-m)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-16*