The Rheem AP20404G Temperature and Pressure Relief Valve is a forged valve designed for safety in water heating systems. This valve effectively releases excess pressure and temperature, preventing potential hazards. Constructed from durable materials, it meets ANSI standards for reliability and performance. With a compact design, it fits seamlessly into various Rheem water heater models, ensuring optimal safety and functionality. This essential component is crucial for maintaining safe operating conditions in your heating system.