The Tjernlund Products 950-0030 Inlet Pipe SS2 is an OEM replacement inlet pipe designed for compatible Tjernlund SS2 sidewall vent systems used with furnaces, boilers, and other gas-fired HVAC equipment. It works by providing a secure pathway for combustion air or vent airflow, supporting proper draft and efficient venting performance. Engineered for durability and precise fit, it he... https://www.partshnc.com/950-0030-tjernlund-products-ss2-inlet-pipe