The control handle with a scale , and the internal temperature can be adjusted according to your own requirements Good heat dissipation effect , stable performance , safe and reliable.Thread installation connection , simple Suitable for M30x1.5mm / 0.06inch threaded connection of radiator Thermostatic Radiator Valves is designed to control the outlet temperature of the equipment by controlling inlet of the heat exchanger , air conditioning unit or other hot and cold equipment The thermostat for valves is materials and is not easy to deform or damage, Manufacturer: Watreketal