When performing a compressor burnout cleanup or a standard retrofit

the 1172504 supports both frequencies

Compatible with baseboard and electric unit heaters

Designed for high-reliability in residential HVAC induction systems

14004107-001 is identical to 14004107-001/U

Quincy Compressor ST073921AV Filter Element When performing a compressor burnoutThe Quincy Compressor ST073921AV Filter Element is a critical maintenance component designed for high efficiency compressed air filtration. This round filter element is engineered to meet OEM specifications, ensuring optimal airflow and contaminant capture in heavy duty industrial environments. This part is a direct replacement for Quincy part number A 010 6023NP, providing an exact fit for compatible piston compressors and reciprocating air