while the included 4G SD card

which helps eliminate evaporator icing and maintains cooling capacity

This model is a normally closed (NC)

Optimized for 24Vac supply voltage

York 025-40666-000 Expansion Valve 323269-701 while the included 4G SDMaintaining precise refrigerant metering is critical for system longevity and efficiency. The York 025 40666 000 is an OEM Thermostatic Expansion Valve (TEV) engineered specifically for high capacity HVACR refrigeration services. Featuring a durable brass body and an adjustable differential, this valve provides technician level control over superheat settings to prevent liquid slugging and evaporator icing. With a 1 1 8" inlet and 1 3 8" outlet, it is