The AIR/GAS MIXER EP-399N from Hot Water Products LLC is designed for efficient combustion in heating systems. This mixer optimizes air and gas ratios for improved performance and energy efficiency. Constructed with durable materials, it ensures longevity and reliability in various applications. The compact design allows for easy installation in tight spaces, while its compatibility with standard gas systems makes it a versatile choice for both residential and commercial setups. Ideal for use in hot water heating systems, this mixer meets industry standards for safety and performance.