Key Features

• Service Interval reminder with variable levels of action
• LoT™ display, providing text feedback that gives help and programming hints
• Large backlit display
• Factory-set clock and date
• Automatic Summer/Winter 1-hour time change
• Temporary or permanent override facilities
• Extra hour facility, for up to 3 hours boost or program extension
• Choice of 3 different built-in programs
• Program indicator lights
• Fits on industry standard back plate
• Any programmed settings retained indefinitely in non volatile memory
• 2 on/off times per day
• Direct replacement for ST6100 and ST6400 models
• Warranty: 1 year

Honeywell ST9400S 1-Day Two-Channel Programmer with Service Interval Timer - ST9400S1001 Overview

The Honeywell ST9400S is a 1 day full multi-channel programmer with Service Interval reminder and two on/off switching times per day. Heating and hot water can be programmed independently.

Programs and Functions

The Honeywell ST9400S includes a factory-set clock and data and automatically changes the time in summer/winter.

Best of all, this heating control includes the option of three built-in programs, and there's also an extra hour facility for up to a three-hour boost or program extension.

Picking the correct kind of Heating Control is an important decision. Once you determine that Programmers & Time Switches are the appropriate answer then the Honeywell ST9400S 1 Day Two Channel Programmer with Service Interval Timer - ST9400S1001 is without doubt worth adding to your shortlist.