Programmable Thermostat

This replacement thermostat is compatible with the Resideo TH8321WF1001/U VisionPRO 8000 WiFi Programmable Thermostat and similar models, making it an ideal choice for residential and light commercial HVAC applications. The unit features a large touchscreen display with Arctic White frame, providing intuitive control and clear visibility for end users. Operating on 18-30 VAC at 50/60 Hz, this low-voltage digital thermostat is designed for flexible system configurations, supporting up to 3 heat and 2 cool stages for heat pump systems, or 2 heat and 2 cool stages for conventional systems. The compact dimensions of 4 5/8 inches height by 4 15/16 inches width by 1 1/8 inches depth allow for easy installation in standard wall openings. Temperature control ranges from 40-90 Degrees F for heating and 50-99 Degrees F for cooling, with user settings adjustable between 32-120 Degrees F to accommodate diverse climate needs. The thermostat operates efficiently with power consumption of 1.48 VA when backlight is on and 0.88 VA when off, minimizing energy draw on low-voltage circuits. WiFi connectivity enables remote access and programming capabilities, enhancing operational convenience. The unit functions reliably across 5-90% relative humidity operating conditions, with humidification support between 10-60% RH. This replacement is suitable for facilities requiring dependable temperature management with modern smart home integration and is backed by the trusted Resideo brand reputation for HVAC controls.