High-Quality Material: The thermostatic head is made of brass, steel, and plastic, which makes it durable, resistant to damage deformation, and has a long service life. It provides convenience during usage. No Fixed Temperature Range: This thermostatic radiator valve is not fixed at a specific temperature setting range but can detect a change in outdoor temperature. is affected by both room temperature and heating temperature. Compact Design: The valve's compact design allows it to be widely used for water, non-corrosive liquids, and non-flammable gases, making it versatile in application. Package Content: The package only includes one thermostatic head (valve not included). The product is environmentally friendly and safe to use. Note---Before purchasing, please confirm whether this homogeneous thermostatic head is suitable for your valve and only the head will be supplied. (Thread connection: M30*1.5), Manufacturer: SENRISE