The Honeywell ST9100C 7 Day Single Channel Programmer is suitable for mains, low voltage, or potential-free switching of the heating load.

The colours/finishes used in this chart have been matched as accurately as possible to the RAL standard. ST9500C also features a 'Holiday' button allowing the user to switch off their heating for a specified number of days (1 to 99) while they are away from home.The RF2 Pack Three from Honeywell includes a two channel programmer with a DT92E wireless thermostat and a Wireless Cylinder Sensor. or 7 day programming flexibility: Choose between weekday/weekend or ever-day temperature programming to ensure optimum energy usage. Honeywell ST9100C 7 Day Single Channel Programmer 7 Day Programmer can be set to 5/2 day or 1 day programme during installation. Easy to use and suitable for both gravity fed and pumped systems they are ideal for both retro or new fit projects.

The Honeywell ST9400C Two Channel unit is a 7 day full programmer that gives great flexibility offering up to three on/off switchings per day, additionally each day can be programmed differently, which is ideal for when the user has different heating needs from day to day. The heating and hot water programmes are completely independent, to allow the system to be operated in the most energy efficient manner possible. The heating and hot water programs are completely independent, to allow the system to be operated in the most energy-efficient manner possible. I currently have an Honeywell ST699 controller, but would like to replace it with the ST9400C 7day programmer. You will be asked to complete a simple online application, it's quick, easy and you'll get the decision within a matter of seconds.

The heating and hot water programmes are completely independent, to allow the system to be operated in the most energy efficient manner The Hon is a 7 day full programmer that gives great flexibility offering up to three on/off switchings per day, additionally each day can be programmed differently.