Premium Material: The thermostatic radiator valve head is made of excellent alloy and plastic with fine workmanship and good performance, which is durable and practical to use, not easy to deform or damage. Suitable for M30 x 1.5 threaded connection. The valve size is 5 cm x 8.5 cm. 5-Level Modulation Range: The thermostatic radiator has 5 levels to adjust the temperature. It can provide you with anti-freeze protection and adjustable function. If you want to turn off the thermostat, just use the modulation index 0 arrow. Widely Uses: The radiator thermostat valve with M30 x 1.5 threaded connections and is suitable for 30 x 1.5 threaded connections of radiator manufacturers. It is widely used in the connection of heating piping systems, water pipes, home decoration, office, etc. Advantage: The thermostatic radiator valve is suitable for compact radiators with a built-in valve block. The thermostatic radiator valve has anti-freeze protection and adjustment functions, can provide