it is designed with side attachment rails that accept MARS 780 and Furnas auxiliary switches for additional control logic requirements

Constructed from durable cast iron or high-grade steel

causing sensor errors

Precise Airflow: Engineered to provide consistent primary air for pre-mix burners

it is electrically and physically compatible with the older LH35XZ001 model

Markel 52290007 Motor 322055-301 it is designed with sideThe Markel 52290007 Motor is a high performance 277V single shaft fan motor designed for critical HVAC and industrial heating applications. Operating at 1590 RPM with a 0. 12 HP output, this motor provides the precise torque and rotational speed required for consistent airflow in Markel 6300 Series heaters and compatible 33 inch units. As a direct OEM replacement motor, it ensures seamless mechanical integration and electrical compatibility without