The Rheem AP14732A Gas Control Thermostat is designed for natural gas applications, featuring a resettable ECO function for enhanced safety. This thermostat regulates the temperature of your water heater, ensuring optimal performance and energy efficiency. Constructed with high-quality materials, it meets industry standards for reliability and safety. Its compact design allows for easy installation in various Rheem models, making it a versatile choice for both new installations and replacements. This gas control unit is essential for maintaining the efficiency and safety of your water heating system.