Trane VAL11800 TXV 318518-761 effectively isolating faults to a

effectively isolating faults to a single branch and preventing wider system downtime

serving as the direct successor to legacy part numbers 119625 and 122376

Signs include visible cracks

For discharge-side protection

leak-free seal for high-pressure systems

Trane VAL11800 TXV 318518-761 effectively isolating faults to aThe Trane VAL11800 is an 8 ton thermostatic expansion valve (TXV) designed for high capacity R 410A refrigerant systems. Featuring a Chatleff fitting for secure, leak resistant connections, this oem Trane expansion valve is critical for maintaining the correct superheat and evaporator efficiency across varying load conditions. Unlike standard fixed orifice devices, the VAL11800 utilizes a precision engineered sensing bulb to modulate refrigerant flow,