Introducing the 24 Volts 2 & 4 Wire Thermal Actuator, the ideal solution for controlling your underfloor heating system. This high-quality actuator is designed to integrate smoothly into your existing heating setup, offering precise control and dependable performance. Featuring a 4-wire design, this thermal actuator is simple to install and connect to your underfloor heating manifold, allowing control via a thermostat or compatible control system. It is suitable for use with various heating systems, including both water and electric underfloor heating. Whether you are upgrading your home heating system or a professional seeking a reliable actuator, this thermal actuator is a practical and efficient choice. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!