CF-Rx is a range of room thermostats for Danfoss’ CF2+ wireless floor heating control system. CF-Rx thermostats communicate with the CF-MC Master Controller via 2-way wireless transmission. All thermostats includes a Link Test function for easy status indication of the wireless signal and a LED warning for low battery. The room thermostats are available in 4 versions: CF-RS Standard Thermostat, CF-RP Public (tamperproof) Thermostat, CF-RD Display Thermostat, CF-RF Display Thermostat with InfraRed floor sensor