Features: * Made of plastic， durability and long-lasting use. * Thread size M30x1.5, providing a secure and reliable connection. * Suitable for floor heating manifold handwheel and radiator automatic temperature control valve switch，allowing for convenient control of temperature. * Compatible with various types of radiators and floor heating manifolds, versatility and wide applicability. * Easy to install, allowing for quick and hassle-free installation process. Specifications: *Product Name:4pcs Floor heating water distributor handwheel switch *Material:Plastic *Size:M30x1.5 *Color:White Package Content: 4 x Handwheel 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. [LONG-LASTING PLASTIC MATERIAL] Crafted from plastic to for ensure a long lifespan, perfect for everyday use in heating systems. [RELIABLE THREAD DIMENSION] The M30x5 thread size guarantees a secure fit, enhancing the stability of your installations. [FUNCTIONAL TEMPERATURE CONTROL] for use with heating manifold handwheels and radiator valves, enabling effective temperature regulation in your home. [COMPATIBLE WITH MANY SYSTEMS] Works seamlessly with various radiators and heating manifolds, offering versatility in application. [SET OF FOUR HANDWHEELS] Comes with 4 handwheel switches to meet all your installation needs efficiently.