Honeywell Home ST9400C 7-Day 2-Channel Digital Programmer for Heating & Hot Water Control
The Honeywell Home ST9400C 7-Day 2-Channel Digital Programmer provides independent heating and hot water control. With LoT™ text display, override functions, and holiday mode, it enhances energy efficiency and scheduling flexibility.
- All prices include VAT
- Estimated Delivery: For most items (over 99% of our products), orders placed before 3pm on working days will be dispatched the same day with our Fast DELIVERY 1st class service. For the rare items not immediately in stock, dispatch may take 1-3 working days after receiving your order. If your order cannot be dispatched the same day, we will notify you via email.
- For boilers: We aim to dispatch on the next working day. However, in some cases, it may take 2-3 working days to dispatch. Rest assured, we will always strive for the fastest possible turnaround.
The Honeywell Home ST9400C is a versatile 2-channel digital programmer designed to provide independent control over central heating and stored hot water systems. It is compatible with all boiler types, making it a universal solution for heating automation.
This 7-day programmable controller allows users to set up to three on/off cycles per day, ensuring efficient heating schedules tailored to daily routines. The LoT™ text display provides clear, step-by-step instructions, making setup and adjustments easy without the need for a manual.
The ST9400C offers advanced functions such as:
- Holiday mode, which maintains frost protection while away.
- Automatic summer/winter time change, ensuring seasonal adjustments without manual input.
- Override facility, enabling manual control without affecting programmed settings.
The Honeywell ST9400C is a direct replacement for the ST6400 models, designed to fit the standard industry backplate, making installation seamless for upgrades.
Pack Includes
- 1 x Honeywell Home ST9400C 7-Day 2-Channel Digital Programmer
- Fixing Kit & Installation Guide
Key Features & Benefits
- 7-Day Programmable Schedule – Customize daily heating and hot water control for energy efficiency.
- Independent Heating & Hot Water Control – Separate timing programs for each system.
- 3 On/Off Cycles Per Day – Set up to three heating periods per day.
- LoT™ (Line of Text) Display – Provides easy-to-read text-based instructions.
- Automatic BST/GMT Time Change – Adjusts summer/winter clock settings automatically.
- Holiday Mode Function – Keeps the system on frost protection while away.
- Override & Extra Hour Function – Allows temporary heating/hot water boost without altering programming.
- Wall-Mounted, Mains-Powered – Fits onto an industry-standard backplate for easy installation.
- Energy-Saving Smart Features – Helps reduce home energy consumption with precise scheduling.
- 1-Year Manufacturer Warranty – Ensures long-term reliability.
Honeywell Home ST9400C 7-Day Digital Programmer Functionalities
- Full 7-Day Programming – Adjust heating and hot water separately for each day of the week.
- Smart Scheduling & Automation – Auto-adjusts clock settings and provides override options.
- User-Friendly Digital Display – Large backlit screen with clear text instructions.
- Efficient Energy Management – Reduces heating costs by preventing unnecessary heating usage.
- Universal Compatibility – Works with all boiler types and standard heating systems.
Technical Specifications:
| Feature | Details |
|---|---|
| Product Name | Honeywell Home ST9400C 7-Day 2-Channel Digital Programmer |
| Product Code | ST9400C |
| Compatible Boiler Type | All Boilers |
| Power Supply | 230V Mains-Powered |
| Max Load (Inductive) | 3A |
| Max Load (Resistive) | 3A |
| Switching Type | SPDT |
| Number of Programs | 7-Day, 5/2-Day, or 1-Day |
| Override Options | Temporary & Permanent Override |
| Special Features | LoT™ Display, Holiday Mode, Auto Time Change |
| Installation Type | Wall-Mounted |
| Dimensions | H 99mm x L 145mm x P 35mm |
Why Choose the Honeywell Home ST9400C Digital Programmer?
The Honeywell Home ST9400C offers precise heating & hot water scheduling, energy efficiency, and user-friendly operation. With LoT™ text display, override features, and universal boiler compatibility, it is the perfect upgrade for modern home heating automation.
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