this thermostatic expansion valve (TXV) maintains the optimal superheat at the evaporator outlet

The single piece solid 3JN requires sliding the flanges off the shaft for installation

It is also mandatory for 06D compressors operating in parallel configurations and highly recommended for single-compressor circuits to ensure proper lubrication monitoring

protecting the internal seals from thermal damage

which would render the sensor inoperable

York S1-324-40874-003 Motor 321042-401 this thermostatic expansion valve (TXV)The York S1 324 40874 003 Motor is a high efficiency 115V ECM Programmed Motor engineered for precise airflow control in residential and commercial HVAC systems. This OEM York blower motor features electronically commutated motor technology, delivering superior performance over traditional PSC motors by maintaining constant torque and adapting to static pressure changes. As a pre programmed replacement furnace motor, it is designed for drop in