Trane VAL18751 TXV 318518-761 These are the circuit identification

These are the circuit identification markers on the wire leads

It is also suitable for UBX60

the OPR0170 features a robust internal gear train that ensures reliable operation under continuous duty cycles

It is highly recommended to use this genuine Daikin-McQuay replacement part to ensure all safety parameters and proprietary communication sequences are maintained according to the original equipment design

meaning it will restore the circuit once the pressure returns to the differential setpoint

Trane VAL18751 TXV 318518-761 These are the circuit identificationThe Trane VAL18751 is a high performance Thermal Expansion Valve (TXV) designed for precise refrigerant metering in 1. 5 ton HVAC systems. Engineered for reliability in residential and light commercial applications, this genuine OEM Trane expansion valve features a 3 8" x 1 2" ODF (Outside Diameter Female) solder connection, ensuring a secure, leak free fit during brazing. The integrated 5 foot capillary tube provides the necessary reach for flexible