Thermostatic Radiator Head: The 4-piece thermostatic radiator head has a 30 x 1.5 mm thread connection, which is suitable for the 30 x 1.5 mm thread connection provided by the radiator manufacturer.High Quality: The temperature control head is made of high-quality materials and is not easily deformed or damaged. Easy to use and long service life.No fixed temperature adjustment range: The thermostatic radiator valve is affected by the heating temperature and room temperature, and can detect changes in outdoor temperature. There is no fixed temperature adjustment range.Some features: TRV head heater valve with antifreeze and adjustment function, widely used in water, non-corrosive liquid, non-flammable gas.Note: Please confirm whether this homogeneous thermostatic head is suitable for your faucet before purchasing, and it will only be shipped. The control handle is marked with a scale, and the internal temperature can be adjusted according to your own needs.Product DescriptionFeatures: 1. TRV constant temperature radiator, 5-speed adjustment, easy to install. If you need to turn off the thermostat, just use the modulation index arrow 0. 2. A compact radiator suitable for integrated valve blocks. Connection thread: M30 x 1.5. 3. Provide a subtle white or full chrome model with a chrome sensor that complements the radiator and towel rail 4. Ultra-thin production technology, you don't have to worry about its service life.Specifications: Material: Plastic + Alloy Connection Thread: M30 x 1.5 Liquid Sensor (Hydraulic Sensor) Output: AC 230V; 50Hz Setpoint range: 6-28 degrees Celsius Temperature hysteresis: 1.0K Maximum working pressure: 10 barHigh-quality spare parts: The radiator head with frost protection and adjustment functions can provide adjustment assistance. It is made of high-quality materials, durable and easy to use.Fashion design: The control handle is marked with a scale, which can control the internal temperature according to your needs. The thermostatic radiator head is made of brass, steel and plastic, which is not easy to deform or damage.Thermostatic radiator valve: 4 x thermostatic radiator head