Trane VAL9931 Expansion Valve 340155-7024 Models with brass trim are

Models with brass trim are not suitable for steam service

incremental adjustment required for stable liquid level regulation and temperature mixing in demanding commercial HVACR environments

Built with screw terminals for secure electrical connections and a compact frame for DIN rail mounting

Precision Airflow: Factory-calibrated 3400 RPM ensures proper static pressure and reliable ignition sequences

Trane VAL9931 Expansion Valve 340155-7024 Models with brass trim areEnsure precise superheat control and peak system efficiency with the Trane VAL9931 Expansion Valve. For veteran technicians managing R 410A refrigerant circuits, this electronic expansion valve (EEV) provides the motorized modulation required to maintain stable evaporator performance under varying load conditions. Unlike standard thermal expansion valves, the VAL09931 utilizes a 24 VAC stepper motor to provide a motorized refrigerant metering