Sundial RF² Pack 5 Wireless Enabled 2 Zone Programmer and Thermostats

Sundial RF2 Pack 5 (Y9520Z1007)contains:


ST9520C Wireless Enabled 2 Zone Programmer

2 x DT92E Wireless Room Thermostat


Ideal for providing 2 heating zones - enables compliance to latest Building Regulations Part L 2010




  • Energy saving TPI control
  • Wireless enabled upgrade
  • Two way wireless communication
  • Wireless signal strength indicator
  • Built in Economy or Comfort programmes on ST9520C
  • Line of Text display for easy programming on ST9520C
  • ST9520C fits on industry standard backplate
  • ECO setback function on DT92E
  • Frost protection on DT92E
  • Tabletop stand supplied with DT92E
  • Battery powered DT92E - no wiring




  • OpenTherm Boiler Control (with suitable OpenTherm Boiler)
  • Remote Boiler control with wireless relay box (BDR91 supplied separately)
  • Remote Valve control with wireless relay box  (BDR91 supplied separately)
  • Service interval reminder with variable levels of action
  • Installer set up mode - controls can be matched to the system and user
  • Sundial RF² Pack 1 (Y9120H2009)
  • Sundial RF² Pack 2 (Y9420H1008)
  • Sundial RF² Pack 3 (Y9420S2005)
  • Sundial RF² Pack 4 (Y9120W1000)