Honeywell 7 Day Timer (Wired)

The Honeywell 7-Day Single Channel Time Switch ST9100C1006 White is a single channel timer, designed primarily for control of the heating circuit in combi boiler applications. It is available in three versions: 1-day, 7-day, or Service. ST9100 models are suitable for mains, low voltage, or potential-free switching of the heating load.