The Hayward FDXLDRV1930A is a genuine OEM drain valve designed specifically for Hayward's Universal H-Series Low NOx pool heaters. This 3/4" ASME-certified drain valve provides reliable water drainage and maintenance access for your pool heating system. This replacement part is compatible with a comprehensive range of Hayward heater models, including the H150, H200, and H250 series (both FDN and FDP variants), as well as the larger H300, H350, and H400 series units. Whether you're performing routine maintenance or replacing a worn valve, this genuine Hayward component ensures proper fit and performance. Built to meet ASME standards, this drain valve delivers the durability and reliability you expect from Hayward's premium pool equipment. Keep your heater operating efficiently with this essential maintenance part.