Upgrade your home heating system with the Honeywell ST9100S Programmable Thermostat. This sleek white device is perfect for use with wall heaters and comes with a range of features that make it easy to use and programme. Made from durable plastic and powered by batteries, this thermostat is ideal for those who want a reliable and efficient way to control their home heating. With its rectangular shape and wall-mounted design, the Honeywell ST9100S is a stylish addition to any home. It comes with timer functionality and is compatible with a range of Honeywell products. Whether you're looking to adjust the temperature in your home or simply want to streamline your heating system, this thermostat is the perfect choice.