Viessmann 7831456 Radial Fan R-22 ensuring stability in steam and

ensuring stability in steam and high-temperature liquid systems

Verify the required MFD rating on the new motor's nameplate

it features a 3-speed configuration allowing for precise airflow adjustments to bridge the gap between efficiency and high-demand heating

and rotation to ensure a seamless swap

Viessmann 7831456 Radial Fan R-22 ensuring stability in steam andThe Viessmann 7831456 Radial Fan is a high performance RG148 assembly engineered specifically for Vitodens 200 W WB2B series gas condensing boilers. As a critical component for combustion air supply and flue gas extraction, this fan ensures the necessary static pressure to maintain efficient modulation across the boiler's firing range. Designed for the WB2B 45 and WB2B 60 models, it features a brushless EC motor and a durable die cast aluminum