The Nordyne 622338 240 24V 30VA Transformer is a replacement electrical component designed to provide low-voltage power for compatible Nordyne HVAC equipment. It converts the incoming line voltage to 24V, supplying the control voltage required by thermostats, relays, contactors, and other low-voltage components. Used in compatible furnaces, air handlers, and heating or cooling systems... https://www.partshnc.com/622338-nordyne-240-24v-30va-transformer