Skip to content
  • 💸 Big savings and free shipping! 💸
  • 💸 Big savings and free shipping! 💸
UK Bathroom Supplies SalesUK Bathroom Supplies Sales
  • Menu
    • No products in the basket.

      Return to shop

  • Basket

    No products in the basket.

    Return to shop

  • Bathrooms
    • Baths
    • Bathroom Furniture
    • Bathroom Taps
  • Shower Enclosures
    • Shower Trays
    • Wet Rooms
  • Showers
    • Shower Heads, Arms & Rails
    • Shower Valves
    • Mixer Showers
  • Heating
    • Radiators
    • Towel Radiators
    • Heating Controls
    • Underfloor Heating
    • Pumps
    • Electric Heaters
    • Water Heaters
    • Fires & Stoves
    • Ventilation
    • Plinth Heaters
    • Central Heating Treatment
    • Water Treatment
  • Vented Cylinders
    • Copper Vented Cylinders
    • Combination Cylinders
    • Stainless Steel Vented Cylinders
    • Solar Vented Cylinders
Home / Heating / Heating Controls
  • Time Guard Electronic Room Thermostat TRT030 -UK Bathroom Supplies Sales 99df75d7 25c7 4de4 aca8 cc5bf4221c0b
  • Baxi Single Channel Wired Timer - 7212444 -UK Bathroom Supplies Sales f973459e c1e1 42a0 8ba7 fca159a975ed
Sale!
Honeywell Sundial Wireless RF² Pack 3 Y9420S2005

Honeywell Sundial Wireless RF² Pack 3 Y9420S2005

£98.99

SKU: Y9420S2005 Categories: Heating, Heating Controls Tag: Honeywell Home
  • Control the delivery date and try to deliver it in the fastest time
  • Get the Best for Less
  • Shop with Ease
  • Your happiness, our mission.
Browse
  • Bathrooms
    • Bathroom Furniture
    • Bathroom Taps
      • Bath Taps
    • Baths
  • Heating
    • Central Heating Treatment
    • Electric Heaters
    • Fires & Stoves
      • Fires
        • Electric Fires
        • Gas Fires
      • Stoves
    • Heating Controls
    • Plinth Heaters
    • Pumps
    • Radiators
      • Column Radiators
      • Designer Radiators
      • Radiator Valves
    • Towel Radiators
    • Underfloor Heating
    • Ventilation
      • Air Conditioning
    • Water Heaters
    • Water Treatment
  • Shower Enclosures
    • Shower Trays
    • Wet Rooms
  • Showers
    • Mixer Showers
    • Shower Heads, Arms & Rails
    • Shower Valves
      • Concealed Shower Valves
  • Uncategorized
  • Vented Cylinders
    • Combination Cylinders
    • Copper Vented Cylinders
    • Solar Vented Cylinders
    • Stainless Steel Vented Cylinders
  • Description
  • Additional information
  • Reviews (0)

Honeywell Sundial RF2 Pack 3 Wireless Programmer, Room Thermostat & Cylinder Stat(Y9420S2005)

Ideal for adding a room thermostat and a cylinder thermostat to a traditional system.

Sundial RF² Pack 3 (Y9420S2005) contains:

  • Wireless enabled programmer (ST9420C)
  • Wireless room thermostat (DT92E)
  • Wireless cylinder thermostat (CS92A)

Features & Benefits:

  • Energy saving TPI control
  • Wireless enabled upgrade
  • Two way wireless communication
  • Wireless signal strength indicator
  • Built in Economy 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
  • CS92A set and controlled from programmer
  • DT92E and CS92A both battery powered – no wiring

Deciding on the right sort of Heating Control is a key decision. When you determine that Control Packs deliver the correct solution then the Honeywell Home Y9420S2005 is clearly worth factoring in to your final decision.

EAN

5025121384209

MPN

Y9420S2005

Product Code

101503

Type

Heating Controls

Pack Type

Control Packs

Warranty (Years)

1

Range

Sundial

Reviews

There are no reviews yet.

Be the first to review “Honeywell Sundial Wireless RF² Pack 3 Y9420S2005” Cancel reply

Related products

Sale!
Neomitis Calianthys Ecosens 1000W Wall Mounted Electric Radiator Anthracite - PS1002ANA
Quick View

Heating

Neomitis Calianthys Ecosens 1000W Wall Mounted Electric Radiator Anthracite – PS1002ANA

£97.99
Sale!
Stiebel Eltron Set A Expansion Packs - 236701
Quick View

Heating

Stiebel Eltron Set A Expansion Packs – 236701

£98.99
Sale!
Air Conditioning Centre 2.6kW WiFi Enabled Mobile Air Cooling System - KYR25CO/LUX
Quick View

Air Conditioning

Air Conditioning Centre 2.6kW WiFi Enabled Mobile Air Cooling System – KYR25CO/LUX

£95.99
Sale!
Pisa White Straight Towel Rail - 1800 X 450mm ZTK0018450
Quick View

Heating

Pisa White Straight Towel Rail – 1800 X 450mm ZTK0018450

£95.99
Sale!
DuraTherm Vertical Oval Tube Single Panel Designer Radiator - 1800 X 480mm Black
Quick View

Designer Radiators

DuraTherm Vertical Oval Tube Single Panel Designer Radiator – 1800 X 480mm Black

£97.99
Sale!
Towelrads Ascot White Aluminium Double Designer Radiator 1800x407mm - 510015
Quick View

Designer Radiators

Towelrads Ascot White Aluminium Double Designer Radiator 1800x407mm – 510015

£96.99
Sale!
Honeywell ST9400C 7 Day Two Channel Programmer
Quick View

Heating

Honeywell ST9400C 7 Day Two Channel Programmer

£64.68
Sale!
Terma Alex Heated Towel Rail 1140x500mm Brass - WGALE114050-KBRASX
Quick View

Heating

Terma Alex Heated Towel Rail 1140x500mm Brass – WGALE114050-KBRASX

£98.99
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2026 © www.hotwatercylinderuk.com
    • Bathrooms
      • Baths
      • Bathroom Furniture
      • Bathroom Taps
    • Shower Enclosures
      • Shower Trays
      • Wet Rooms
    • Showers
      • Shower Heads, Arms & Rails
      • Shower Valves
      • Mixer Showers
    • Heating
      • Radiators
      • Towel Radiators
      • Heating Controls
      • Underfloor Heating
      • Pumps
      • Electric Heaters
      • Water Heaters
      • Fires & Stoves
      • Ventilation
      • Plinth Heaters
      • Central Heating Treatment
      • Water Treatment
    • Vented Cylinders
      • Copper Vented Cylinders
      • Combination Cylinders
      • Stainless Steel Vented Cylinders
      • Solar Vented Cylinders
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.