... valve. Wireless Heating Thermostat, Room Thermostat, LCD Thermostat, Heating Thermostat, Thermostat, Programmable Thermostat, Digital Thermostat, Battery-power Thermsotat.GeneralR205 Series Wireless Heating Thermostat adopt NTC ... temperature is 1°C lower than set-point, thermostat opens the valve; when they are equal, ... accurate Temperature Measurement- LCD indicator AC205 Wireless Heating Thermostat