Can I use an aftermarket expansion valve instead

supporting screw terminals

and Payne outdoor units requiring specific HVAC blower wheel aerodynamics and static pressure performance

the Lennox 100679-38 replacement valve replaces older or fouled metering devices to restore system SEER ratings and cooling capacity

but always refer to the specific unit’s wiring diagram for maximum amperage and voltage limitations

Trane MOT18634 Motor 323613-751 Can I use an aftermarketThe Trane MOT18634 Motor is a high performance, OEM replacement condenser fan motor engineered for heavy duty industrial and commercial HVAC applications. This fractional horsepower motor operates at 208 230V on a single phase, 60Hz power supply, delivering a reliable 1 8 HP of output. Designed as a 6 pole motor with a rated speed of 1075 RPM, it provides consistent torque and smooth airflow essential for maintaining system head pressure and heat