Trane VAL11800 TXV 318172-701 a common point of failure

a common point of failure in heavy-duty compressors

Diagnostic LED Codes: Features dual LED indicators that provide specific flash sequences to identify pressure switch failures

Direct OEM Compatibility: Serves as the factory-authorized update for Lochinvar Knight and A

maintaining the energy efficiency and static pressure capabilities of the Carrier air handler unit

Trane VAL11800 TXV 318172-701 a common point of failureThe 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,