The 3" COUPLING AIR INLET is a critical component for systems requiring efficient airflow management, specifically designed for 58 KW applications. Manufactured by HOT WATER PRODUCTS, this coupling ensures a secure connection for air intake, enhancing system performance. Made from robust materials, it withstands high temperatures and pressures, ensuring longevity and reliability. The coupling's dimensions are optimized for compatibility with standard air inlet systems, making it an essential part of your hot water setup. Its design adheres to industry standards, ensuring a safe and effective operation.