Description
Product Summary
The Honeywell Home THX1100W3/U ElitePRO S1100 is a professional smart Wi-Fi thermostat with a 5-inch touchscreen that controls up to 4 heat / 2 cool heat pump or 3 heat / 3 cool conventional systems.
RedLINK 3.0 connects wireless room and outdoor sensors, and onboard radar occupancy and air quality sensing support Smart Away and IAQ control of up to two devices.
Key Features
- Smart Wi-Fi: dual-band Wi-Fi with app control.
- RedLINK 3.0: wireless room, outdoor and equipment interface sensors.
- Up to 4H/2C: heat pump, dual fuel, fan coil and PTAC compatible.
- IAQ monitoring: humidity, VOC and estimated CO2 readings.
- Occupancy sensing: radar sensor for Smart Away programming.
- ENERGY STAR certified: smart scheduling to cut energy use.
Specifications
| Brand | Honeywell Home |
|---|---|
| Model | THX1100W3/U |
| Series | ElitePRO S1100 |
| Stages | Up to 4H/2C heat pump or 3H/3C conventional |
| Connectivity | Wi-Fi 2.4/5 GHz, RedLINK 3.0, Bluetooth LE |
| Power | 24 VAC hardwired |
| Display | 5 in class touchscreen |
| Sensing | Radar occupancy, humidity, VOC, estimated CO2 |
| Dimensions (H x W x D) | 3.54 x 5.25 x 0.96 in |
| ENERGY STAR | Certified |
Ideal Applications
- High-end residential systems
- Multi-stage heat pumps and dual fuel
- Fan coil and PTAC applications
- Light commercial
Frequently Asked Questions
Does it need a C-wire?
It is hardwired at 24 VAC; Honeywell lists the THP9045A C-wire adapter for installs without a common wire.
What systems does it control?
Up to 4H/2C heat pump or 3H/3C conventional systems, including dual fuel, fan coil, PTAC and radiant.
Is there a warranty?
The distributor lists a 5-year warranty.