The Grasso Relief Valve Housing is a protective component designed to encase and secure the relief valve in refrigeration and HVAC systems. The relief valve is crucial for maintaining system pressure by releasing excess pressure when needed. The housing ensures that the relief valve remains secure and protected from contaminants, moisture, and damage, while allowing it to function properly. By safeguarding this critical component, the relief valve housing contributes to the overall efficiency, safety, and reliability of the system.