Bathroom Adjustable Brass Thermostatic Water Mixer Valve Hot / Cold Water Mixer Temperature Mixing Control Valve For Home Water Heater - Type 3 This valve is used to mix hot and cold water, to control the water temperature and keep the water temperature within a certain range. Features: 1.Using this thermostatic valve, it is easy to control the amount of hot and cold water to adjust the water temperature as needed. < /p> 2.Press and hold the red safety button to control the temperature above 38. 3.With filter net on the connections of hot and cold water to protect the water from other impurities. 4.Made from solid brass valve element, it is durable, sturdy and tough to rust. 5.The wall-mounted thermostatic bath mixer st easy to install and suitable for many water heaters. 6.Built-in temperature control safety device will automatically shut off hot water if it is not there is no cold water, which can protect against burns.