The thermostatic mixing valve has universal accessories with high flow and good performance, suitable for domestic hot water, underfloor heating circuit with or without HWC (hot water circulation). A stable flow is produced regardless of temperature changes and water pressure. In case of cold water failure, in order to avoid scalding, the safety device will automatically stop the hot water supply. Hot water temperature 55 ~ 80 ° C (65 ° C recommended), cold water temperature 5 ~ 29 ° C (15 ° C recommended) The side of the mixing valve marked with the letter C is connected to the cold water and the side marked with the letter H is the hot water. The pressure at both ends is less than or equal to 50%. Model: DN20 Caliber: 3/4 inch Height: 120mm Color: Silver Material: Copper Package Contents: 3 x Thermostatic Valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the