Argo ARH-1 1-Zone Expansion Module — Plug-In Connectors, Up to 20 Zones, 2-Speed Air Handler Support

The Argo ARH-1 1-Zone Expansion Module provides a simple way to increase zoning capacity with plug-in connectors for quick installation. Expand a system to as many as 20 zones while using the module’s multiple terminals to support 2-speed air handlers. The unit also includes built-in air handler freeze protection and a switchable priority option for flexible control.You may also like OpticalFiber Instrument Test 80KM OTDR Touchscreen with Built-in OPM/VFL & LED Lighting, B.