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Honeywell Home

Honeywell Home Sundial RF2 Control Pack 2 Y9420H1008

Regular price £375.17 GBP
Regular price Sale price £375.17 GBP
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Sundial RF 2 Pack 2 contains a wireless enabled programmer (ST9420C) and a wireless thermostat (DT92E). In a stored hot water heating system which has no room thermostat the existing wiring can be used to provide Boiler Interlock by fitting Sundial RF 2 Pack 2.

  • Energy saving time proportional and integral (TPI) control with optimum start, delayed start and optimum stop energy saving technology
  • Wireless signal strength indicator operating at 868 MHz with a communication range of 30 metres in typical residential buildings
  • Operating temperature range from 0 to 40°C
  • IP30 Rated
  • ST9420C requires a 230V AC power supply and DT92E requires 2 x AA size, 1.5V alkaline batteries (supplied)
  • ST9420C has two single poles, double throw SPDT relay as a switch type
  • ST9420C is 99 x 145 x 35mm (h x w x d) and DT92E is 92 x 90 x 27mm (h x w x d)
  • 7 day programming (7 day, 5/2 day or one day) with a choice of 3 different presets for energy and time saving
  • Meets building regulations part L
  • Set everyday differently with 7 day programming


    Standard 2 - 4 Business Days: £9.95

    Express  1 - 3 Business Days: £14.95 

    Free Standard Delivery On Orders Over: £250

    We only dispatch orders between Monday to Friday.

    All orders must be placed before 12pm, so they can be dispatched on the same working day.