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the Trane FLR7962 is the engineer-specified replacement for all existing FLR6231 applications
This typically indicates a failure in the ECM power module or a seized blower wheel
preventing hazardous leaks and optimizing the combustion cycle of the primary heating equipment
these two part numbers are interchangeable
Reznor 258860 TXV 323055-751 the Trane FLR7962 is theThe Reznor 258860 is a heavy duty thermal expansion valve (TXV) kit engineered for precise refrigerant metering in commercial cooling applications. This OEM replacement part is specifically calibrated for use with Reznor AUCA (size B 090), AUD2, and AUH3 air handlers and condensing units. As a vital component of the refrigeration cycle, this TXV kit regulates the flow of liquid refrigerant into the evaporator coil, maintaining the optimal superheat