chrome brass treatment, long service life.The valve has 20mm inlet for hot and cold water, and the thermostatic valve can be adjusted to 38 C, with safety switch, which can be adjusted to 42 c. It is very safe. It is best to install thermostatic pressure reducer in public places to avoid burns.Easy to install, with a safety switch to control the temperature. You can turn the mixing valve directly to install the valve on the pipeline, even if you are not a plumber, you can use it yourself.It is suitable for transporting water valves to sinks, bathtubs, bathrooms, kitchens, kitchen sinks, etc. Features: 1. Easy to install, just connect the hot and cold water pipes, then automatically supply constant temperature water. S7-1200 programmable controller. The temperature can be adjusted, especially for the elderly and children. S7-1200 programmable controller. When the single cold or hot water line is cut off, it can automatically and immediately stop the water supply to prevent scalding and freezing. S7-1200 programmable controller. When the pressure and temperature of cold water and hot water distribution changes, the water that can be automatically adjusted and immediately compensated will always come out of the specified temperature. S7-1200 programmable controller. There is a one-way valve inside, which can prevent the interaction between cold water and hot water. Thermostatic Mixing Valve Parameters Thermostatic Mixing Valve Parameters Port Size: DN15, G1/2 Working Pressure: 0.03-1 MPa Suggested Working Pressure: 0.1-0.5 MPa Cold Water: 5-29 C Hot water: 50-95 C Temperature adjustment range: 35-45 C Safe temperature: 3C Water flow: 1.6 l/min