Thermostatic mixing valve has high stream and nice performance universal accessories, correct for home sizzling water, small floor heating circuit with or with out HWC (hot water circulation). Stable water is produced regardless of modifications in temperature and water pressure. In case of cold water failure, as a fashion to stop , the safety device will robotically shut off the supply of scorching water. Hot water temperature 55~80°C (65°C recommended), bloodless water temperature 5~29°C (15°C recommended) The side of the mixing valve marked with the C letter is hooked up to the bloodless water, and the side marked with the H letter is the hot water. The stress at both ends is Less than or equivalent to 50%. Model: DN20 : 3/4 inch Height: 120mm Colour:silver Material:copper Package Contents: 1*Thermostatic valve Only the above package content, different products aren't included. Note: Light and various displays may cause the colour of the object in the photo somewhat different from the genuine thing. The dimension allowed error is +/- 1-3cm.