The Lochinvar & A.O. Smith 100113146 Blower Assembly is a genuine replacement component designed for Vertex-100 high-efficiency gas water heaters. It delivers the proper airflow required for safe combustion and efficient venting, helping the unit maintain reliable heating performance. By supporting consistent air movement, the blower promotes optimal fuel efficiency, stable operation,... https://www.partshnc.com/100113146-lochinvar-ao-smith-vertex-100-blower