these part numbers are identical in technical specifications and footprint

As a veteran-grade HVACR refrigeration control

User-Friendly Monitoring: Features an integrated viewport lens that blocks harmful UVC rays while allowing the technician to confirm the blue glow of an active lamp

The 1/8" thick fiber sheet allows for precise field-trimming to match specific orifice plates or transition points

Key Benefits: Optimized Compatibility: Verified for use on obsolete 1 1/2" and 2" VB-9xxx valves

Trane VAL10591 TXV 319847-401 these part numbers are identicalThe Trane VAL10591 is a high performance 7 ton R410A thermal expansion valve engineered for precision refrigerant metering in commercial and light industrial HVAC systems. Designed for high efficiency Trane outdoor units, this bi flow TXV features 3 8" ODF inlet and 1 2" ODF outlet connections, facilitating a stable hermetic seal for 7 ton HVAC systems. As an OEM Trane part, it handles internal pressure regulation at 115 PSI, ensuring the evaporator