7 Day 2 Channel Central Heating & Hot Water Programmer Timer Replacement for Honeywell ST9400C Dual Wired Boiler Controller and

Compatible With Multiple Honeywell Programmers - Works with systems using Honeywell ST9400C, ST699, ST799 and ST7100 wiring layouts, making it a suitable alternative boiler programmer for central heating and hot water control. Independent Heating and Hot Water Scheduling - Dual channel design allows separate on/off times for heating and hot water, providing flexibility for different household usage patterns compared to single-channel timers. 7-Day Programmable Heating Timer - Supports fully programmable daily or weekly schedules with up to three on/off periods per day, allowing precise control of boiler operation and reducing unnecessary energy use. Clear Display and Simple User Interface - Large, easy-read LCD and intuitive control buttons make adjusting heating schedules, reviewing settings, and making quick changes straightforward for homeowners or installers. Wired Central Heating and Boiler System Compatibility - Suitable for most wired boilers and central heating systems requiring a programmable timer or heating controller, including combi, system and heat-only boiler setups.