The RESIDEO THX900W1 ElitePRO S900 Smart Thermostat delivers modern design with a 4.3" customizable touchscreen and indoor humidity monitoring. Compatible with systems up to 3H/2C heat pump or 2H/2C conventional. It supports residential or light commercial applications and IAQ control.
Works with residential and commercial systems up to 3H/2C heat pump or 2H/2C conventional
Control up to 1 IAQ devices with configurable outputs
Monitor indoor humidity
Product Highlights
The thermostat is ENERGY STAR certified and may be eligible for utility rebates. It features a customizable display and advanced occupancy detection.
Product Information
Standard Information
Brand: RESIDEO
Manufacturer Part Number: THX900W1
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
Power Source
Hardwired, C-Wire required
Frequency
60 Hz
Warranty
5 Years
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
Shipping and Storage Temperature (Max)
120 °F, 49 °C
Shipping and Storage Temperature (Min)
-20 °F, -29 °C
Mounting Location
J-Box, Horizontal Mount to wall
Product Height
3.54 in, 90 mm
Product Width
5.25 in, 133 mm
Product Depth
0.96 in , 24 mm
Manufacturer
Honeywell International
Production Status
Active
Unit of Measurement
EA (Each)
Weight
0.88 lbs
MPN
THX900W1
Condition
New
Availability
Order by 5 PM EST (M-F) usually ships the same day if in stock.