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Horstmann H3747 Smart Room Thermostat Replaces H37XL/H47XL/Tiara/Diadem/Coronet - Picture 1 of 6
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Horstmann H3747 Smart Room Thermostat Replaces H37XL/H47XL/Tiara/Diadem/Coronet

Hanicks Heating Spares
(7456)
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GBP 138.00
ApproximatelyRM 784.82
Condition:
New
93 available7 sold
Popular item. 7 have already sold.
People are checking this out. 8 have added this to their watchlist.
Shipping:
May not ship to United States. Read item description or contact seller for shipping options.
Located in: Doncaster, South Yorkshire, United Kingdom
Delivery:
Varies
Returns:
No returns accepted.
Coverage:
Read item description or contact seller for details. See all detailsSee all details on coverage
(Not eligible for eBay purchase protection programmes)
Seller assumes all responsibility for this listing.
eBay item number:256467485735
Last updated on Jul 21, 2025 21:56:58 MYTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Power Source
Battery
Items Included
Mounting Hardware, Programmer, Receiver
Wire Configuration
9-Wire
MPN
H3747
Year Manufactured
2024
Battery Size
3V Button Cell
Compatible Product
Universal
Smart Home Compatibility
Universal
Colour
White
Unit Type
Unit
Control Style
App Control, Digital, Push Button, Touch, Wi-Fi
Display Size
1.76 in (4.5 cm)
Manufacturer Warranty
7 Years
Voltage
240 V
Heat Stages
3
Features
Digital Display
Unit Quantity
1
Compatible Brand
Horstmann
Thermostat Programmable Days
7- Day
Compatible Model
Secure
Material
Plastic
Brand
Horstmann
Thermostat Shape
Rectangular
Mounting
Wall-Mounted
Sensor Technology
Temperature
Voltage Type
Line Voltage
Number of Periods per Programmable Day
3
System Switching
Auto
Model
Secure H3747
Cool Stages
None
Country/Region of Manufacture
United Kingdom
Smart Home Protocol
Bluetooth/Bluetooth Low Energy (BLE)
Programmability
Programmable
EAN
5015914357527

Item description from the seller

Seller business information

VAT number: GB 353658281
About this seller

Hanicks Heating Spares

98.5% positive feedback•17K items sold

Joined Nov 2006
Usually responds within 24 hours
Hanicks Heating & Spares, Specialist Boiler Spare Parts Stockist. Tel: 01302 279234 (Chris). Email: sales@hanicks.co.uk #AnyPartForAnyBoiler
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Detailed Seller Ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

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Seller feedback (4,275)

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    • eBay automated Feedback- Feedback left by buyer.
      Past 6 months
      Order completed successfully – tracked and on time
    • eBay automated Feedback- Feedback left by buyer.
      Past 6 months
      Order completed successfully – tracked and on time
    • s***7 (708)- Feedback left by buyer.
      More than a year ago
      Verified purchase
      The delivery was not next day as advertised
    See all feedback

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