The C321KM30 is a mechanical interlock only

which is vital for maintaining a proper seal between the inducer housing and the furnace transition

OEM Compatibility: Specifically designed as a direct drop-in replacement for the Armstrong Furnace R46132-034

58" WC Calibration: Specifically engineered to match the OEM airflow specifications of Reznor heating systems for accurate safety circuit activation

Quincy Compressor 110377S100 Filter Assembly 319847-401 The C321KM30 is a mechanicalThe Quincy Compressor 110377S100 Filter Assembly is a critical OEM replacement part engineered to maintain high efficiency filtration for industrial compressed air systems. As a veteran technician knows, maintaining peak compressor performance starts with preventing atmospheric contaminants from entering the compression chamber. This Quincy air filter assembly features a robust housing and high micron retention media designed to protect internal