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replacing a drifted switch with this genuine 100166258 air pressure switch restores system reliability and ensures the pressure differential remains within the factory-specified 1
this Copeland series is rated for use with modern refrigerants
5 meter (11
erroneous high/low air temp alarms
2k ohm thermistor provides a stable signal with minimal lead wire resistance interference over long distances
Trane VAL8641 TXV 320720-756 replacing a drifted switch withThe Trane VAL8641 TXV is a high precision 3 ton thermal expansion valve engineered specifically for R410A refrigerant systems. This OEM Trane expansion valve is a critical metering device that regulates refrigerant flow into the evaporator coil, maintaining precise superheat levels and safeguarding the compressor from liquid slugging. Built for durability in demanding residential and light commercial applications, the VAL8641 features a nominal