Programmable Thermostat

This replacement thermostat is compatible with the Resideo TH6100AF2004 (Honeywell T6 Pro Hydronic) and designed for hydronic heating systems in commercial and residential applications. The unit provides flexible temperature control for ambient air, floor, or combined monitoring modes, making it suitable for radiant floor heating, baseboard heat, and other hydronic configurations. It supports hot water heat and steam systems with up to one heat stage, offering reliable operation in diverse facility environments. The thermostat features a large 5.44 square inch backlit display with soft key controls and adjustable brightness for easy visibility and operation. Users can select from multiple programmable schedules including 7-day, 5-1-1 day, or 5-2 day options, or choose non-programmable mode depending on facility requirements. An included floor sensor (AQ12C20) enables direct slab temperature monitoring, while an optional remote indoor air sensor (C7189U1005) is available for facilities requiring additional sensing capabilities. This unit utilizes the UWP mounting system for straightforward installation and retrofitting of existing systems. Power options include battery operation with two AA batteries included or hardwired connection, providing flexibility for various installation scenarios. The combination of intuitive controls, accurate multi-sensor capability, and multiple programmable options makes this replacement thermostat an effective solution for facility managers seeking to upgrade or maintain hydronic heating system performance. Ideal for commercial buildings, educational institutions, and facilities with radiant heating systems.