The Nordyne 903477 Stainless Steel Heat Exchanger Assembly is a high-performance

Featuring 18 AWG bare copper conductors

single-groove variable pitch sheave engineered for precise air handling and blower speed adjustments

Most Siemens heavy-duty contactors in the 00-4 range support multiple side-mount auxiliary kits

standardize on 5/32-inch (4 mm) OD tubing to maintain proper airflow and signal response times

Marvair 30115 Fan Blade Freon The Nordyne 903477 Stainless SteelMaintain the 11 EER efficiency standards of your wall mounted units with the Marvair 30115 Fan Blade. This critical HVAC replacement part is a 4 blade, 20 inch fan blade engineered with a specific 22 degree pitch to ensure precise static pressure management and heat transfer. Designed for clockwise rotation (CW) in Marvair Compac series and industrial air conditioners, it provides the exact cubic feet per minute (CFM) required for optimal condenser