Features: The Normally Closed 230V Thermal Electric Valves is designs for temperature controlled in underfloor heating systems, ensuring stable and comfortable indoor environment. Features portabke designs with hat that rises when opened and drop when closed, this electric actuator offer easy installation and easy operations with its thread connection. For homeowner and professional seek efficient heating solution, this Valves suits those who like energy saving and consistent room temperatures. For use in floor heating manifolds, the WiseWaters Valves integrates into manifolds systems and hot water radiators, enhancing overall systems performances. Constructed from flame retardant nylon, this actuator ensures safety and durability while maintaining quiet operations, making it addition in heating systems. Specifications: Component: Flame Retardant Nylon Color: As Picture Show Size: 10x4cm/3.94x1.57inch Package Includes: 1pc Thermal Electric Valves note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.