White Rodgers NBE 1MC-01 Thermostatic Expansion Valve NXT-R SERIES THERMOSTATIC EXPANSION VALVE, REFRIGERANT CODE M (R-134A), CHARGE CODE C (MED. TEMP), 1 TON, 3/8" X 3/8" ODF STRAIGHT THRU, SUPERHEAT ADJUSTABLE, NO INTERNAL CHECK, EXTERNAL EQUALIZER, NO BLEED, CAP TUBE 30"