All our branches in England and Wales remain open as usual to ensure the nation’s tradespeople can keep working. Please always wear a face covering when visiting a branch. Read our COVID-19 update.

Honeywell ST9400C 7 Day 2 Channel Programmer

Item Code: 354950002

£78.29Ex VAT£93.95 Inc VAT
Click & CollectAvailable for collection
DeliveryFree next day delivery options available (restrictions apply)
The Honeywell ST9400C is a two-channel programmer for controlling heating and stored hot water in complete systems. This 7-day full programmer offers up to three on/off switchings per day and allows each day to be programmed differently.


  • Can be set to 5/2 day or 1 day programme during installation
  • Clear Line of Text (LoT) display and large backlit display
  • Factory set clock and date
  • Temporary or permanent override facilities
  • Choice of 3 different built-in programmes
  • Up to 3 on/off times per day
  • Fits onto industry standard back plate
  • Features Holiday button
  • Automatic summer/winter 1 hour time change
  • Direct replacement for ST6400 models
Warranty Period1 Year Guarantee
Data Sheets


  • EN60730-2-7
  • WEEE
  • RoHS


  1. CS354950002 Data Sheet.pdf
Supplier Website
Conversion & Materials Calculator

Related Products

Get your trade card and buy online & in-branch today!

There’s no need to wait for your trade card to turn up. Upload your proof of business, fill out your details, and we'll give you your trade card number then and there so you can buy online and in-branch straight away.