Compatible with non-condensing tankless water heaters, this 90-degree vent pipe elbow ensures efficient venting for your system. Made from plastic with an aluminum liner, it provides durability and resistance to corrosion. The elbow is specifically designed to facilitate proper airflow, helping to maintain optimal performance of your water heater. It is included in the STDKITVA-S and STDKITVA-A kits, making it a convenient choice for your installation needs.