[Durable Materials] The radiator valve is made of high -quality plastic and alloy. It has good production, good performance, long service life, durable and practical, easy to install, and not easy to deform or damage. [Level 5 temperature adjustment, easy to use] Multi -level modulation thermostat radiator, has 5 levels that can be adjusted, can be adjusted as needed; easy to install, if you need to turn off the thermostat, you only need to use the modulation index arrow 0 0 to use it to use it. Essence Reminder: Please avoid changing the radiator valve where the head is exposed to the sun. [No specific temperature adjustment] You will receive 3 radiator valve caps. The constant temperature radiator valve does not have a fixed temperature adjustment and affected by the heating temperature. The room temperature can feel the change of the external temperature. [Extensive application] Connection of the constant temperature valve is widely used in the connection of heating pipeline systems, water pipes, families, office decoration, etc. [Scope of application] Radiator thermostatic valve with M30x1.5 thread connection, suitable for radiator manufacturer's 30 x 1.5 thread connection, the upper limit of the zero setting ratio is 0, *, 1-5.