This valve is used to mix hot and cold water, in order to control water temperature and keep water temperature in a certain range. Features: By using this thermostatic valve, it is easy to control the hot and cold water amount for adjusting water temperature as needed. Press and hold the red safety button to control the temperature for more than 38°. With filter net on both hot and cold water connection to protect water from other impurity. Made of solid brass valve element, it is durability, sturdy and not easy to rust. Wall-mounted bath thermostatic mixer valve is easy to install and suitable for many water heater. Built-in temperature control safety device will automatically shut down hot water if there is no cold water, which can protect scald. Specifications: Operating Pressure: 0.05-1Mpa Recommended Pressure: 0.1-0.5Mpa(Need Release Valve When Pressure Is Over 0.5Mpa) Standard Pressure: Dynamic Pressure 0.3±0.02Mpa Cold Water Supply Temperature: 4°C-29°C Hot Water Supply