The Air Box - Lower ULN 18 in AS41662 from RHEEM is a crucial component for maintaining airflow in water heating systems. This air box is designed to fit securely, ensuring optimal ventilation and combustion efficiency. Constructed from durable materials, it is built to withstand high temperatures and provide long-lasting performance. The 18-inch size is compatible with various RHEEM models, making installation straightforward. Improve the efficiency and safety of your water heater with this essential air box, designed to meet industry standards.
