Premium Material: The thermostatic head is made of high quality PP and alloy, with fine workmanship and good performance, which is excellent adjustment performance, very durable, not easy to deform, environmental protection. Adjustable: The thermostatic head with different temperature regulation to choose, which can regulate the indoor temperature according to your own requirements. Feature: The temperature sensing element in the temperature control valve controls the size of the valve and automatically adjusts the flow rate to achieve a comfortable temperature range. Applications: This thermostatic head can be used on water, towel rails, panel central heating system. Note: The thermostatic head with M30x1.5 threaded connections and fit for 30 x 1.5 threaded connections from manufacturers. Please check if the thermostatic head is suitable for your valve before purchasing. Specification: Material: PP and Alloy Size: M30x1.5 Work Pressure:1.0MPa Temperature: 6-28 degrees Celsius Size Chart: 5cmx8.5cmx3.3cm/1.97inchx3.35inchx1.30inch Package Includes: AS YOUR CHOOSE: 3 Thermostatic Valve 4 Thermostatic Valve 6 Thermostatic Valve Note: Please allow slightly errors due to manual measurement and different monitors.