Nordyne 248750R Air Cone Assembly 320788-704 "flue sensor open" or "shorted"

"flue sensor open" or "shorted" error codes on the display

pressure calibration

Which Lochinvar models use the 100163259 kit

Direct OEM Specification: Ensures a precise waterway seal between the header and the manifold for optimal pressure maintenance

ensuring a direct fit for standard gas manifold assemblies

Nordyne 248750R Air Cone Assembly 320788-704 "flue sensor open" or "shorted"The Nordyne 248750R Air Cone Assembly is a critical combustion component engineered for precise airflow management in specific gas furnace burner configurations. As the official direct replacement for part 248750, this 248750R assembly is essential for technicians servicing Miller, Intertherm, and Nordyne CMF series units. This component is specifically designed for use in CMF80 and CMF100 direct ignition gas burners, ensuring the proper flame pattern