---
product_id: 379655116
title: "Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers"
brand: "rain bird"
price: "₩334170"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/379655116-rain-bird-espsm3-3-station-expansion-module-for-esp-m
store_origin: KR
region: South Korea
---

# Hot-swappable, no downtime Plug & play modular design 3 extra irrigation stations Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers

**Brand:** rain bird
**Price:** ₩334170
**Availability:** ✅ In Stock

## Summary

> 🌿 Upgrade your garden game—expand, swap, and conquer irrigation like a pro!

## 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?** ₩334170 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/379655116-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

- • **Expand Your Control:** Seamlessly add 3 more stations to your Rain Bird controller for ultimate irrigation flexibility.
- • **Compact & Lightweight:** Sleek design (just 68g) fits perfectly without bulk, blending into your smart irrigation setup.
- • **Zero Downtime Upgrade:** Hot-swappable module lets you upgrade without powering down—keep your landscape thriving 24/7.
- • **Effortless Installation:** Plug into any available slot with no hassle, making expansion quick and stress-free.
- • **Universal Compatibility:** Works flawlessly with ESP-M, ESP-Me, ESP-SMT, and ESP-SMTe series—future-proof your system.

## Overview

The Rain-Bird ESPSM3 is a lightweight, hot-swappable 3-station expansion module designed to enhance Rain Bird ESP series irrigation controllers. Compatible with multiple models, it allows seamless, no-downtime upgrades by plugging into any available slot, empowering homeowners to effortlessly expand their smart watering systems.

## 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 |
|---------------|-------|
| Manufacturer | Rainbird |
| Country of Origin | USA |
| Item model number | ESPSM3 |
| Package Dimensions | 11.81 x 8.41 x 3.99 cm; 68 g |
| ASIN | B08LQV42KF |

## 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)
![Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers - Image 2](https://m.media-amazon.com/images/I/51q2O6GvDvL.jpg)
![Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers - Image 3](https://m.media-amazon.com/images/I/61EFSriZ1tL.jpg)
![Rain-Bird ESPSM3-3-Station Expansion Module for ESP-M, ESP-Me, ESP-SMT and ESP-SMTe Series Timers - Image 4](https://m.media-amazon.com/images/I/61Ky1Ob8w5L.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.kr/products/379655116-rain-bird-espsm3-3-station-expansion-module-for-esp-m](https://www.desertcart.kr/products/379655116-rain-bird-espsm3-3-station-expansion-module-for-esp-m)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-23*