Hydrotherm 58-1858 Inducer Assembly Freon This specific part (633-900-130) is

This specific part (633-900-130) is calibrated for the 30-80 gallon series

This is the professional’s choice for restoring system communication in KBN series boilers from 80

high-volume output pneumatic thermostat engineered for precise temperature regulation in demanding commercial and industrial environments

Applying 115V will result in a failure to start or significant torque loss

minimizing laminar flow interference and reducing thermal lag

Hydrotherm 58-1858 Inducer Assembly Freon This specific part (633-900-130) isAs a veteran tech, you know that a failing inducer is the most common reason for a furnace pressure switch lockout. The Hydrotherm 58 1858 Inducer Assembly is the definitive OEM replacement for obsolete BM 8002 and BM 8033 units. This 115V 2 speed inducer motor is a proprietary Fasco manufactured assembly (cross referenced as Fasco 7070 003) specifically engineered for Hydrotherm hydronic heating systems. Operating at 60 Hz on a single phase circuit,