TheÂCM927Âis a wireless 7 Day Programmable Room Thermostat from Honeywell that can control the temperature at which your central heating system operates. It was previously known as the CMT927.Â
This is a replacement thermostat unit only, and does not come with the receiver unit. ÂIf your original CM927 Thermostat is faulty or no longer works, this replacement thermostat is available without the need to buy a new receiver which connects to your boiler.
Replacement Thermostat features:
- Wireless communication between thermostat and receiver box (not supplied)
- Auto, manual, holiday and off (frost) modes
- Memory holds user programme even when batteries are changed
- Extra large LCD display with user friendly Line of Textâ¢ display
- Up to six time/temperature settings per day
- Synchronised boiler control in multi-zone systems for optimum efficiency
- Boiler ‘ON’ display
- Automatic Summer/Winter time change.
- 1 x Honeywell Room Unit Only (CMS927B1049)