• ⚡ Enhance System Connectivity – Expands the number of RS-485 communication (COM) ports available on your Pentair automation system.
• 🔗 Compatible Models – Works with Pentair IntelliTouch and EasyTouch Pool & Spa Control Systems, as well as Compool to EasyTouch Upgrade Systems.
• 📦 Includes – COM Port Expansion Module & 1-foot cable for fast, secure installation.
• 🛡️ Reliable Performance – Ensures robust data and accessory communication across all connected automation devices.
• 🛠️ Easy Installation – Plugs directly into the main circuit board; no special tools required.
• 📏 Module Dimensions: 14.5" L x 12.5" H x 13.5" W

The Pentair 520818 COM Port Expansion Module is designed for pool and spa owners looking to add additional accessories or devices to their automation system. This module increases the number of available communication ports, making it easy to integrate additional equipment such as chlorinators, pumps, or remote control interfaces.

Applications:
• Add more IntelliChlor salt systems, ScreenLogic interfaces, or other Pentair accessory devices
• Ideal for upgrades or expansions of existing Pentair automation systems

Installation Tips:
• Turn off power to your automation panel before installing
• Plug the expansion module into the designated port on the main board
• Connect the included cable as directed in your system manual
• Restore power and configure devices as needed

📝 Need help with installation or compatibility? Contact our pool automation experts for personalized support and guidance.