Features: *Features 5 temperature levels including temperature protection. The numbers on the valves correspond to specific temperatures. Once selected, the thermostatic valve remains constant to avoid unnecessary temperature increases and save energy. *Our 20mm thermostatic valves are commonly used to regulate the flow of water to radiators. They are equipped with controllers that control the opening of the valves to keep the room temperature constant. *Equipped with thermostatic head and two-way valve body. Integrated sensor with water filled assembly. Can be installed horizontally or vertically. *It is easy to install and precise in temperature control. *Our products stand out for their energy efficiency and ease of installation. Note: This product is just a separate valve switch and does not function as a thermostat! Specification: *Style: A (straight valve), B (angle valve) *Hose connection diameter: 20mm *Working pressure: 1.6 bar *Maximum temperature: 120°C *Flow: 360/hour *Normal flow rate: 170/h *Maximum load loss: 600 Mbar *Sensor Type: Filled *Material: Copper Package Contents： 1 thermostatic radiator valve. Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Our products are made of high-quality materials, durable, high quality and affordable to meet your needs Please check the product size and model before placing an order to ensure that it can be used to avoid unnecessary trouble When you encounter a problem, please contact us and we will provide help until the problem is solved perfectly When you receive the product, whether you are satisfied or not, we want to hear your opinion Every customer can enjoy free refund or exchange service for damaged/quality problem products