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Honeywell Sundial RF2 Pack 2 Wireless Timeswitch

Product Code: 73241

Sundial RF² Pack 2 Wireless Enabled Programmer with wireless room thermostat. Contains: Wireless enabled programmer (ST9420C) & Wireless room thermostat (DT92E) - Ideal for adding a room thermostat to a traditional system.

  • Digital Display
  • 5-Wire Installation
  • 3 On/Off Periods per Day
  • 3 Pre-Set Programmes
  • 24 Hour
  • 5 / 2 Day or 7 Day Programmable
  • Frost Protection
  • Holiday Mode
  • EST Approved
  • 1.5 Year Manufacturer's Guarantee
  • ERP Control Class: IV
  • View more information

Product contents:
1/7 day programmer and backplate, wireless digital room thermostat with stand, 2 x AA batteries and installer/user instructions.

Switch/contact rating: 3A. Temperature range: 5-35°C. H x W x D: 99 x 145 x 35mm. 30m straight line transmitter range. Fits industry standard backplate.

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Honeywell Sundial RF2 Pack 2 Wireless Timeswitch Instruction Manual



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I have a faulty ST9400C and plan to replace it with this unit. There is an existing thermostat and boiler stat with two-way motorised valve - any problems?
29 Oct 2015
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Download more info (pdf)

Brand Honeywell
Display Type Digital Display
Installation Type 5-Wire Installation
Manufacturer Guarantee 1.5 years
Model Name Sundial
Model No 2-channel heating pack Y9420H1008
Pack Size 1
Product Depth 35 mm
Product Height 99 mm
Product Type RF2 Pack 2 Wireless Timeswitch
Product Width 145 mm
Programme Facility 7 Day, 5/2 Day or 24 Hour Programmable
Temperature Range 5-35 °C
Total Product Weight 0.54 kg