The Johnson Controls A-4000-139 is a single-stage pressure reducing valve station engineered for pneumatic control systems requiring high-purity air delivery

The York S1-025-35381-000 Limit Switch is a critical HVAC safety control designed to monitor internal plenum temperatures and protect the heat exchanger from thermal stress

Zero Leakage: Rated for ANSI Class VI leakage

Industrial-Grade Construction: Built to withstand the thermal stress of modern residential heating systems

This high-quality motor ensures smooth operation

Nordyne 667282R Fan Blade 322838-753 The Johnson Controls A-4000-139 isThe Nordyne 667282R Fan Blade is a critical HVAC replacement part engineered for high performance airflow in residential and light commercial condensing units. This OEM condenser fan blade features a 20 inch diameter and a 4 blade configuration with a 28 degree pitch, optimized for maximum heat transfer efficiency. Designed with a 1 2" bore and a clockwise (CW) rotation, this Nordyne HVAC component ensures a precise fit on standard motor shafts,