The Rheem AP14366C Gas Control (Thermostat) is designed for liquid propane (LP) systems, featuring a resettable ECO for enhanced safety. This thermostat regulates gas flow to ensure optimal heating performance in Rheem water heaters. Constructed with high-quality materials, it meets industry standards for reliability and safety. The compact design allows for easy installation and compatibility with various Rheem models. With precise temperature control, this gas control unit enhances energy efficiency and provides peace of mind for users.