Thermostatic mixing valve has high flow and good performance universal accessories, suitable for domestic hot water, small floor heating circuit with or without HWC (hot water circulation). Stable water is produced regardless of changes in temperature and water pressure. In case of cold water failure, in order to prevent , the safety device will automatically shut off the supply of hot water. Hot water temperature 55~80C (65C recommended), cold water temperature 5~29C (15C recommended) The side of the mixing valve marked with the C letter is connected to the cold water, and the side marked with the H letter is the hot water. The pressure at both ends is Less than or equal to 50%. Model: DN20 : 3/4 inch Height: 120mm Colour:silver Material:copper Package Contents: 1*Thermostatic valve Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.