Viessmann 7839819 Radial Fan 320720-756 Verified Compatibility: Fits specific Utica

Verified Compatibility: Fits specific Utica and Dunkirk boiler models

While light deposits can be removed with a non-conductive abrasive

ensuring a secure electrical path from the ignition control module to the electrode

and HPR50 dryers

a manufacturer-approved field conversion kit must be installed by a licensed technician to ensure safe manifold pressure and orifice sizing

Viessmann 7839819 Radial Fan 320720-756 Verified Compatibility: Fits specific UticaThe Viessmann 7839819 Radial Fan is a critical combustion component designed for high capacity Vitodens 200 W B2HA series gas fired condensing boilers, specifically the 399 and 530 MBH models. Also designated as the NRG137 B2HA 399 530, this high performance blower utilizes axial air intake and radial discharge to ensure precise air fuel premixing, which is vital for maintaining the efficiency of the Lambda Pro combustion management system. For