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 filter other impurity in water. 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. 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 Supplies Temperature: 4°C-29°C Hot Water Supplies Temperature: 55°C-85°C Recommended Normally Use Temperature: 60-70° Water Temperature Control Range: 20°C-50°C Safety Button Temperature: 38° 1: Length: 115mm / 4.5in Width: 63mm / 2.5in Height: 42mm / 1.7in Package Size: 130 * 75 * 50mm / 5.1 * 3.0 * 2.0in Item Weight: 296g / 10.4ounce Package Weight: 330g / 11.6ounce 2: Length: 113mm / 4.4in Width: 86mm / 3.4in Height: 42mm / 1.7in Package Size: 115 * 90 * 45mm / 4.5 * 3.5 * 1.8in Item Weight: 394g / 13.9ounce Package Weight: 420g / 14.8ounce 3: Length: 115mm / 4.5in Width: 63mm / 2.5in Height: 42mm / 1.7in Package Size: 125 * 75 * 50mm / 4.9 * 3.0 * 2.0in Item Weight: 296g / 10.4ounce Package Weight: 331g / 11.7ounce Notes: Please allow 1-30mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package List: 1 * Thermostatic Valve