The York S1-373-20717-001 Venter Assembly with Gasket is used as an additional part of the HVAC working process which optimizes exhaust and airflow. It has an operating speed of 3450 RPM, which provides the wind and necessary air circulation for maintaining indoor air quality and its working conditions. This venter assembly has been designed to run at low power consumption with a volt... https://www.partshnc.com/york-115v-venter-assembly-gasket-s1-373-20717-001