Honeywell Sundial RF2 Pack 2 Y9420H
The Sundial RF2 Pack 2 contains:
- A wireless enabled two-channel programmer ST9420C
- Wireless Room Thermostat DT92E
- For new and existing stored hot water heating systems
- Using the traditional layout of seperate time control and room thermostat
- In a stored hot water system which has no room thermostat
- The existing wiring can be used to provide boiler interlock by fitting Sundial RF2 Pack 2
- Fits on industry standard backplate - no need to re-wire
- Direct replacement for ST9400 & ST6400 models
- Large backlit display
- Choice of 3 built in programmes for energy saving
- Set each day differently with 7-day programming
- Factory set time & date - fast set up
- 2-level battery backup - maintains settings in the event of a power failure
- Optimum start - Energy saving technology
