The HONEYWELL THX900B2/U S900 Elite Pro 3H/2C Smart Programmable Thermostat delivers a modern design with a 4.3" customizable touchscreen and indoor humidity monitoring. Compatible with residential and light commercial applications, this smart thermostat supports up to 3H/2C heat pump or 2H/2C conventional systems. It features configurable outputs and Pro-IQ benefits.
Works with residential and commercial systems up to 3H/2C heat pump or 2H/2C conventional
Features a customizable 4.3" touchscreen display
Offers smart home integration and Wi-Fi connectivity
Product Highlights
The ElitePRO S900 smart thermostat is ENERGY STAR certified and offers a 5-year warranty. It supports time-based or smart away programming and includes a decorative black accent piece.
Product Information
Standard Information
Brand: HONEYWELL
Manufacturer Part Number: THX900B2/U
Technical Specifications
Application
Residential or light commercial, 24 Vac systems; Gas, Oil, Electric Warm Air, Hydronic, Fan coil unit, PTAC. IAQ control.
Stages
3H/2C heat pump or 2H/2C conventional
Smart Home Integration
Yes
Display Size
4.3 sq. in
Touchscreen
Yes
Display Language
Display selectable for English, French, or Spanish
Modes of Operation
Heat, Off, Cool, Auto, Emergency Heat
Program Type
Time-Based or Smart Away, Residential or Light Commercial
Energy Star Certified
Yes
Heat-Cool Changeover
Auto or Manual
Power Supply
Hardwired, C-Wire required
Frequency
60 Hz
Includes
ElitePRO™ Series Thermostat
WiFi
Yes
Ambient Operating Temperature (Max)
102 °F, 38.9 °C
Ambient Operating Temperature (Min)
37 °F, 2.8 °C
Operating Relative Humidity (Max)
90 % RH
Operating Relative Humidity (Min)
5 % RH
Auto Changeover
Yes
Humidity Set point (Max)
90% RH
Humidity Set point (Min)
0% RH
Set point Temperature (Max)
Heat: 90 °F, Cool: 99 °F, Heat: 32 °C, Cool: 37 °C
Set point Temperature (Min)
Heat: 40 °F, Cool: 50 °F, Heat: 4.5 °C, Cool: 10 °C