Sundial RF² Pack 2 (Y9420H1008) contains:

Wireless enabled programmer (ST9420C)

Wireless room thermostat (DT92E)

Ideal for adding a room thermostat to a traditional system.

Features

• Energy saving TPI control
• Wireless enabled upgrade
• Two way wireless communication
• Wireless signal strength indicator
• Built in Ecomomy 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
• Battery powered - no wiring for DT92E