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Honeywell RF2 Sundial Pack 1 Wireless Timer and Thermostat

Honeywell RF2 Sundial Pack 1 Wireless Timer and Thermostat

Sundial RF² Pack 1 (Y9120H2009) contains:


Wireless enabled timeswitch (ST9120C)

Wireless room thermostat (DT92E)

Ideal for adding a room thermostat to a combi boiler or an individual heating zone. 




  • Energy saving TPI control 
  • Wireless enabled upgrade
  • Two way wireless communication
  • Wireless signal strength indicator
  • Built in Economy or Comfort programmes on ST9120C
  • LoT display for easy programming on ST9120C
  • ST9120C fits on industry standard backplate
  • ST9120C is a direct replacement for ST9100 and ST6100 models
  • ECO setback function on DT92E
  • Frost protection on DT92E
  • Tabletop stand supplied for DT92E
  • Battery powered - no wiring for DT92E


Installation Guide

User Guide

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