---
product_id: 3403001
title: "ESP-SM3 3-Station Sprinkler System Expansion Module"
brand: "rain bird"
price: "B/.161"
currency: PAB
in_stock: true
url: https://www.desertcart.com.pa/products/3403001-esp-sm3-3-station-sprinkler-system-expansion-module
store_origin: PA
region: Panama
---

# Indoor/Outdoor Hot-swap 3 stations ESP-SM3 3-Station Sprinkler System Expansion Module

**Brand:** rain bird
**Price:** B/.161
**Availability:** ✅ In Stock

## Summary

> 🌿 Watering made effortless!

## Quick Answers

- **What is this?** ESP-SM3 3-Station Sprinkler System Expansion Module by rain bird
- **How much does it cost?** B/.161 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/3403001-esp-sm3-3-station-sprinkler-system-expansion-module)

## 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

- • **Stay in Control:** Maintain optimal irrigation with real-time adjustments and monitoring.
- • **Expand Your Reach:** Easily add 3 more stations to your existing Rain Bird system.
- • **Seamless Integration:** Hot-swap technology allows for installation without interrupting your watering schedule.
- • **User-Friendly Design:** Designed for quick and easy setup, perfect for the busy professional.
- • **Versatile Compatibility:** Works flawlessly with both indoor and outdoor Rain Bird ESP4M models.

## Overview

The Rain Bird ESP-SM3 is a 3-station expansion module designed for the Rain Bird ESP4M sprinkler system. It allows for easy integration with existing setups, featuring hot-swap technology for uninterrupted operation, and is compatible with both indoor and outdoor models.

## Description

ESP-SM3 3-Station Sprinkler System Expansion Module

## Features

- 3 station add-on module or Rain Bird ESP4M
- Works on either the indoor or outdoor models
- Hot-swap modules can be installed while the controller is in operation

## Product Details

- **Material:** Lithium
- **Brand:** Rain Bird
- **Item dimensions L x W x H:** 1.97 x 1.18 x 1.18 inches
- **Connector Type:** Threaded fitting (NPT)
- **Thread Size:** RM
- **Thread Type:** NPT
- **Item Weight:** 1.44 ounces
- **Number of Pieces:** 1
- **Global Trade Identification Number:** 00751850061597
- **Manufacturer:** Rain Bird

## Images

![ESP-SM3 3-Station Sprinkler System Expansion Module - Image 1](https://m.media-amazon.com/images/I/51IUm5-upYL.jpg)

## Frequently Bought Together

- Rain Bird ESP-SM3 3-Station Sprinkler System Expansion Module
- Rain Bird ESP-ME3 4 Station WiFi Ready Indoor/Outdoor Controller | ESP-ME3-A1

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**Shop now:** [https://www.desertcart.com.pa/products/3403001-esp-sm3-3-station-sprinkler-system-expansion-module](https://www.desertcart.com.pa/products/3403001-esp-sm3-3-station-sprinkler-system-expansion-module)

---

*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-03-01*