58W13 | Lennox 42381-003, Header Box Gasket, 4.75 x 14.04" | Lennox

Lennox Header Box Gasket (58W13) The Lennox Header Box Gasket, model number 58W13, is a vital component for ensuring proper operation of HVAC systems. It is specifically designed to create a secure and airtight seal between the header box and the heating or cooling coil. Crafted from durable materials, this gasket effectively prevents air leakage, optimizing airflow and maintaining system efficiency. Its precise design ensures a snug fit that resists wear and tear, extending its lifespan. The Lennox Header Box Gasket (58W13) plays a crucial role in maximizing system performance by minimizing energy loss and optimizing airflow. Its compatibility with various Lennox HVAC models makes it a reliable choice for maintenance professionals seeking a high-quality replacement part. Shop now at our HVAC supply store for the best prices and fast shipping on all your HVAC supplies!