The Bradford White Corporation Orifice LP for EF100T399 is specifically designed for liquid propane (LP) systems, featuring a red finish for easy identification. This orifice plays a critical role in controlling gas flow, ensuring efficient combustion in water heaters. Constructed to meet rigorous industry standards, it offers reliability and safety. Its compatibility with the EF100T399 model makes it an ideal choice for both new installations and replacements. The orifice is straightforward to install, providing an effective solution for gas management.