Key Features:
- Wireless thermostat and programmer — flexible heating control without additional wiring
- Energy-saving TPI control — improves comfort while reducing energy waste
- Two-way wireless communication — ensures reliable and responsive heating performance
- Built-in Economy and Comfort programmes — simple scheduling to suit daily routines
- Signal strength indicator — helps maintain a strong wireless connection
- Industry standard backplate fit — direct upgrade from ST9400 and ST6400 models
- 1-year guarantee
What’s Included:
- ST9420C wireless-enabled programmer
- DT92E wireless room thermostat
The Honeywell Home Sundial Wireless RF² Pack 2 offers a smart and versatile solution for controlling your heating. Combining a wireless room thermostat with a two-channel programmer, it delivers flexible placement and reliable performance without the need for extra wiring. Designed for both homeowners and installers, it features energy-saving TPI control, intuitive programming and frost protection for added peace of mind. Ideal for upgrading traditional heating systems, this pack makes managing comfort simple and efficient. Upgrade your heating control today with Honeywell Home.
Wireless, Battery-Powered Control
The wireless room thermostat is battery powered, allowing it to be positioned anywhere in your home without the need for wiring, giving you greater flexibility.
Energy-Saving TPI Technology
Time Proportional Integral control helps maintain a steady temperature by reducing fluctuations, improving comfort while keeping energy use efficient.
Two-Way Wireless Communication
Continuous communication between the thermostat and programmer ensures settings are received accurately and your heating responds quickly.
Easy Programming with LoT Display
The programmer’s Line of Text display provides clear, on-screen instructions, making setup and adjustments straightforward without referring to a manual.
Frost Protection and ECO Setback
Built-in frost protection helps safeguard your system in cold conditions, while the ECO setback function reduces heating output to save energy when full heat isn’t needed.
Wireless Signal Strength Indicator
An integrated wireless signal strength indicator helps you position the thermostat for the most reliable connection, ensuring consistent communication and dependable heating control.
Industry-Standard Backplate Compatibility
The two-channel programmer is designed to fit an industry-standard backplate, making installation quick and straightforward, especially when upgrading existing systems.
Direct Replacement for Existing Honeywell Programmers
This pack is a direct replacement for Honeywell ST9400 and ST6400 programmer models, allowing for a seamless upgrade with minimal disruption or rewiring.
Ideal for Upgrading Traditional Heating Systems
Perfect for adding a room thermostat to traditional heating systems, this wireless solution improves temperature control and efficiency without the need for complex installation.
