This Grohe 42390000 solenoid valve is an original replacement part designed for electronic faucets in sanitary plumbing systems. The component measures 8 cm in width and length with a height of 5 cm, constructed from durable stainless steel for reliable performance in wet environments. As a genuine Grohe spare part, this solenoid valve maintains compatibility with the manufacturer's electronic faucet systems, ensuring proper water flow control through electromagnetic operation. The robust design emphasizes longevity and consistent functionality, making it suitable for maintenance and repair applications where original equipment specifications must be preserved. This unit comes as a single component without additional accessories, intended for installation by qualified plumbing professionals familiar with electronic faucet systems. The neutral stainless steel finish blends discreetly with existing fixtures while providing corrosion resistance in bathroom and kitchen environments. When replacing solenoid valves in Grohe electronic faucets, this part helps restore automated water control functionality with manufacturer-approved compatibility.