The Nordyne 634797R Molded Plug Harness is an electrical wiring component designed to provide a secure connection between compatible components in HVAC equipment. Its molded plug construction helps organize and protect electrical connections while allowing power and control signals to pass reliably between system components. Commonly used in Nordyne furnaces, air handlers, heat pumps,... https://www.partshnc.com/634797r-nordyne-molded-plug-harness