Sundial RF² Pack 3 (Y9420S2005) contains:

Wireless enabled programmer (ST9420C)

Wireless room thermostat (DT92E)

Wireless cylinder thermostat (CS92A)

Ideal for adding a room thermostat and a cylinder thermostat to a traditional system.

Features

• Energy saving TPI control
• Wireless enabled upgrade
• Two way wireless communication
• Wireless signal strength indicator
• Built in Economy or Comfort programmes on ST9420C
• LoT display for easy programming on ST9420C
• ST9420C fits on industry standard backplate
• ST9420C is a direct replacement for ST9400 and ST6400 models
• ECO setback function on DT92E
• Frost protection on DT92E
• Tabletop stand supplied for DT92E
• CS92A set and controlled from programmer
• DT92E and CS92A both battery powered - no wiring