The heating and hot water programmes are completely independent, to allow the system to be operated in the most energy efficient manner possible. Setting times for central heating and hot water to switch on and off can help reduce your home's energy consumption. uk/img/jcocvu6Ubtxd7bbsHT8Cv-yrmc2aT8nH8cLHfaqmLCQC3uFLY_CvY5fqY3V8Te8SKzSHe2CMTyWQGyKIcsH8PNcXcIlLZP0w=nu-rw-w0-c0xffffffff-e30/. All Honeywell ST9400 models incorporate the Line of Text (LoT™) display that gives clear plain English instructions whenever any button or slider is used. The Honeywell ST9400C lets you choose what times you want the heating to be on, and what temperature it should reach while it is on, allowing you to select different temperatures in your home at different times of the day (and days of the week) to meet your particular needs.

A honeywell programmer will allow you to independently control both your heating and hot water maximising efficiencies.Easy to use and suitable for both gravity fed and pumped systems they are ideal for both retro or new fit projects. is committed to ensuring compliance with global laws that regulate its export and import activities.

The heating and hot water programs are completely independent, to allow the system to be operated in the most energy-efficient manner possible. All ST9000 models incorporate the Line of Text (LoT) display that gives clear plain English instructions whenever any button or slider is used. This programmer gives great flexibility offering up to three on/off switchings per day, additionally each day can be programmed differently. All Honeywell ST9100C 7 Day Single Channel Programmermodel incorporate the Line of Text (LoT™) display that gives clear plain English instructions whenever any button or slider is used.

I currently have an Honeywell ST699 controller, but would like to replace it with the ST9400C 7day programmer.