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Honeywell Home Y9420H1008 Sundial RF2 Pack 2 Wireless… (73241)

£ 162.99INC VAT

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Honeywell Home Y9420H1008 Sundial RF2 Pack 2 Wireless Timeswitch (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.

  • 7 Day, 5/2 Day or 24 Hour Programmable
  • 3 Pre-Set Programmes
  • 3 On / Off Periods per Day
  • Digital Display
  • 5-Wire Installation
  • Frost Protection
  • Holiday Mode
  • 1 Year Guarantee
  • Energy Saving TPI Control
  • Wireless Enabled Upgrade

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View all: Honeywell Home Timeswitches

£162.99INC VAT

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Honeywell Home Y9420H1008 Sundial RF2 Pack 2 Wireless Timeswitch is rated 5.0 out of 5 by 2.
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Rated 5 out of 5 by from Saved a whole lot of trouble.. Cable from old heating thermostat to controller had failed, I dreaded the problems that would be met from trying to replace the cable (carpet up, channelling through plaster). With this Sundial RF2 Pack 2, no need to worry as it's wireless thermostat removed the need for the defunct cable. Quick to install (though I didn't do it!), and very easy to operate. Brilliant!
Date published: 2017-10-10
Rated 5 out of 5 by from Trust Honeywell Just replaced an old programmer & room stat with these paired units for my 78 yr old Mother in law. Took less than 20 mins to change over. Simple to follow instructions & wiring diagrams for all system types. Paired with wireless room stat easily & programming personalized timings was also easy. Best of all, my Mother in law understood the use of the room stat very quickly. Overall another great product from a company I can rely on & so can my customers.
Date published: 2017-09-12
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Can this replace an old Danfoss/Randall 3060 mechanical programmer with wired thermostat?

Standard old school heating system - gravity fed - two tanks in loft - water cylinder in airing cupboard. Randall 3060 has mechanical timer clock Thanks
Asked by: Mexman

Can this replace a LP112 (old model)

I want to replace an old LP112 boiler controller and include a thermostat controller for my mother. Will this be possible? Looking for a wireless thermostat controller and new heating controller.
Asked by: Keiryn

The DT92E thermostat needs to be replaced but I can only see the DT90E for sale as an individual thermostat. Are these interchangeable?

Asked by: Nicky00000

Is this suitable to control both the hot water and heating on a Grant external combi requiring voltage free output contacts similar to the Grant RFTKIT

Asked by: OldDixie

Will this replace a cm927 please

Asked by: Wendyrowan
The CM927 is a 7 Day Programmable Room Thermostat, that is discontinued. The new T4R, (Y4H910RF4003) is the current replacement which offer 1 day, 7 day in its' installation features. The same wiring is used but a different backplate.
Answered by: Honeywell Home Consumer Support
Date published: 2019-10-18
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Specification
Brand Honeywell Home
Central Heating Control Type Control Packs
Compatible Boiler Type All Boilers
Display Type Digital Display
ERP Control Class Class IV
Frost Protection Frost Protection
Installation Type 5-Wire Installation
Manufacturer Guarantee 1 Year Guarantee
Model Name Sundial
Model No Y9420H1008
Pack Size 1
Pieces in Pack/Case 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
Smart Compatibility Not Smart
Temperature Range 5-35 °C
Total Product Weight 0.54 kg
Zoning Level Up to Two

Product contents

1/7 day programmer and backplate, wireless digital room thermostat with stand and 2 x AA batteries.

Downloads

Instruction Manual