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. [ PLASTIC CONSTRUCTION] Made from robust plastic, long-lasting use and resistance to wear and tear. [SECURE THREAD SIZE] Features an M30x5 thread size for a secure and reliable connection with heating systems. [ USAGE] for heating manifold handwheel and radiator automatic temperature control valve switches, allowing precise temperature management. [COMPATIBILITY] Compatible with various types of radiators and heating manifolds, making it for different heating setups. [SIMPLE INSTALLATION] Designed for straightforward installation, facilitating a smooth setup process for users.