Viessmann 7855596 Radial Fan 319848-301 Using a non-OEM wheel can

Using a non-OEM wheel can lead to pressure switch trips or internal damage to the heat exchanger due to improper venting

which may lead to slower recovery times

Broad Voltage Compatibility: Rated for 230/60/1 power supplies

equipped with a 1/4" external flare fitting

protecting the heat exchanger from thermal stress during heavy heating cycles

Viessmann 7855596 Radial Fan 319848-301 Using a non-OEM wheel canThe 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