Thermostatic Radiator Valve Constant Temperature Controller

Features:
Mount to raditor valve to allow individual temperature settings in each room of the heating system to maitain a constant room temperature.
Different temperature regulation to choose, helps you comfortably adjust the desired temperature. Self-adjustable control without external energy.
Fits to common radiator valve, easy to mount without having to drain any water or intervene in the heating system.
Frost-proof function keeps the valve flowing with fine hot water to prevent the water system frost from freezing when the ambient temperature is 0℃.
Energy-saving, suitable for room temperature control in different scenes such as home, offices, hotels, shopping malls, etc.
Note:
1. Only operate the device in inside rooms and avoid the influence of moisture, dust and sunlight or external heat radiation.
2. In order to effectively open and close the valve, install the device horizontally.
3. Turn the knob to the 5 position when installing. Set the knob to the 5 position to avoid unwanted external force in summer.