8A thresholds align with the motor's operating curve

including HN51CB024 (converting from 1-pole to 2-pole)

This is a genuine OEM HVAC replacement part

Always verify the voltage and connection size before installation

If the furnace fires but the blower fails to engage in the "Auto" setting

Viessmann 7855596 Radial Fan 319825-402 8A thresholds align with theThe Viessmann 7855596 Radial Fan is a precision engineered OEM replacement part designed for Vitodens 100 W B1HA and B1KA series condensing boilers. As a critical NRG118 combustion blower, this component features a high durability die cast aluminum housing and a steel impeller, specifically balanced to maintain the exact air fuel ratio required for efficient premix combustion. Whether you are servicing a B1HA 26 35 or B1KA 26 35 residential wall