Viessmann 7839819 Radial Fan 322838-752 With a blow-out-proof stem and

With a blow-out-proof stem and RPTFE packing

Each kit contains the necessary igniter screws and washers to facilitate a secure mechanical fit

High Amperage Rating: Rated for 25 Amps (non-inductive) at 120 to 277 VAC

and 6007732 models

the 2868411 features high-grade insulation and robust connectors that resist thermal degradation and electrical interference

Viessmann 7839819 Radial Fan 322838-752 With a blow-out-proof stem andThe 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