Lau 0574310003M Blower Assembly 320734-701 Technicians should plan for a

Technicians should plan for a 208/230V

Installation typically involves horizontal airflow applications or air handling equipment where thermal safety shut-off is mandatory

This unit features a 2-1/8 inch "D" style stem

a failing boiler pressure switch often presents as a lockout code or an inducer that runs indefinitely without the burners firing

Lau 0574310003M Blower Assembly 320734-701 Technicians should plan for aProfessionals in the field recognize the Lau 0574310003M Blower Assembly as a heavy duty Model A10 10ACE belt drive blower designed for precise airflow management in commercial and industrial HVAC systems. This unit features a 13 1 16" x 11 3 8" wheel size and is engineered for high static pressure applications where direct drive motors often fall short. The 3 4" shaft diameter is ground and polished to minimize vibration and extend bearing life,