Honeywell PUB6438SR Programmable Spyder Controller with Sylk Bus Support

Description

The Honeywell PUB6438SR is a programmable unitary controller from the Spyder BACnet series, designed for advanced HVAC control in commercial buildings. It supports BACnet MS/TP communication and integrates seamlessly into building automation systems. With relay-based digital outputs and flexible input configurations, this controller delivers reliable performance for rooftop units, fan coils, and heat pumps.