Constructed from high-quality brass, this return pin valve insert not only ensures durability but also maintains without quality compromise. Ideal for long-term use in demanding environments. This valve core is engineered for superior flow control, effectively managing fluid dynamics to smooth and efficient operation. Its design is optimized for underfloor heating systems, enhancing overall system efficiency. Featuring a precise thread size of M30 x 1.5, this valve insert is perfectly compatible with UFH actuators. It offers a secure, leak-proof connection, crucial for maintaining system integrity and reliability. Specially tailored for use with underfloor heating thermostat electric actuators, this brass valve core is essential for achieving optimal performance. It ensures that heating systems run smoothly and efficiently, providing consistent warmth. The M30 x 1.5 brass valve core is an excellent choice for anyone looking to enhance their underfloor heating system. Its compatibility and design it integrates seamlessly with existing setups, making it a practical upgrade. Colour:As Shown Material:brass Package Contents: 10 * spring valve core Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.