EPH Controls | CP4i OpenTherm Smart Thermostat

The EPH CP4i is a user friendly digital RF programmable room thermostat and receiver suitable for controlling one or multiple heating zones (with additional CP4 thermostats). This OpenTherm compliant programmable thermostat gives you all functionality of the EPH COMBI PACK 4 but with the addition of being able to control your system through your smart device using EPH Control’s EMBER app (supplied EPH GW03 Gateway connects wirelessly to your broadband router and communicates with thermostat).