Welcome visitor you can login or create an account.

Express delivery for Thursday Available Until 4pm Today
UK Mainland Only,
3pm cut-off for Highlands and Islands


 

Express delivery for Thursday Available Until 4pm Today
UK Mainland Only,
3pm cut-off for Highlands and Islands


Enter your email to be informed when this product arrives:


Send Close

Enter your email to be informed when this product arrives:
Send Close

Honeywell T4 Programmable Thermostat

Brand: Honeywell
HCO Code: 16B14
Price: £64.21
Ex VAT: £53.51
Stock: In Stock
Qty:  
   - OR -   
No questions have been asked about this product.

Ask a question about Honeywell T4 Programmable Thermostat

Your Name:
Your Email:


Your Question: Note: HTML is not translated!

Enter the code in the box below:



The T4 programmable thermostat is a modern a wired 7-day Programmable Room Thermostat. It is designed to provide automatic time and temperature control of domestic systems in domestic or light commercial premises.

 

Features

  • Compatible with 24-230V on/off appliances such as gas boilers, combi-boilers and zone valves
  • The T4 can be used as a temperature sensing device in an S or Y Plan system
  • Well suited to control combination boiler installations or additional zones in an S Plan Plus system
  • On screen text display and function buttons to ensure simplified programming and operation for all users
  • Energy saving TPI control
  • Optimum stop, start & delayed start features that learn how the room is heated
  • Two wire, volt free connections are ideal for use with combination boilers
  • Easy to fit with a three step installation process:  Wire, Power Up and Test, Configure
  • New improved wall plate with extra wiring space
  • Clip on cover to the fixed wall plate
  • Optional Wired external sensor available (wired versions only)
  • On screen heat demand icon makes start up testing easy
  • Simple push button access to configuration menus
  • Adjustable Frost protection
  • Away mode with specific temperature set (number of days changeable)
  • Temporary schedule override until next set point or for 1 or 2 hours
  • Schedule can be turned off – will operate as a variable setting thermostat only
  • Continuous time, displayed in extra-large LCD
  • Automatic Summer/Winter time change
  • 7-day programming with 7 day; 5/2 or single day schedules
  • Four or six independent time & temperature settings (default is 4)
  • Pre-configured 5/2 heating schedule
  • Battery powered (with low-power indicator)
  • Easy change battery compartment
  • Optional backlight with extended light on time period
  • Burner 'ON' symbol


Model: T4H110A1021

Write a review

Your Name:


Your Review: Note: HTML is not translated!

Rating: Bad            Good

Enter the code in the box below:



payment

Heating Controls Online is rated 4.90 stars by Reviews.co.uk based on 2333 merchant reviews

4.90 / 5 Rating
2333 Reviews
Easy on line ordering arrived on time very competitive price
Good overview of products and clear details about each product. The possibility to ask a question and receive an answer within 24 hours was a real bonus. Once the order was placed it was easy to follow the parcel via links provided and delivery was quick and in time as advertised.
Delivered my order in less than a day!