The Horstmann Secure CentaurPlus C27 is a white wall-mounted programmable thermostat with a rectangular shape. It features 3 heat stages, 2 cool stages, 3V button cell battery backup, and a 7-day programmable schedule. It has a 1.76-inch display and a 9-wire configuration. This unit is compatible with Horstmann wired systems and offers 2 channels for system switching. Made of plastic, it is manufactured in 2024 in the United Kingdom and comes with a 7-year manufacturer warranty.
eBay