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.

Features

• 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

Energy saving TPI control (see FAQ TPI Control)