LBP - Low Back Pressure APPLICATION, R404/R507 Refrigerant, 200-230V 3 Phase 60Hz / 200-220V 3 Phase 50Hz 2 HP, High Start Torque (HST) 9100 BTU Capacity, 0.875" Sweat (7/8" ODF) SUCTION LINE SIZE, 0.5" Sweat (1/2" ODF) DISCHARGE LINE SIZE, Reciprocating Compressor (Model:AVA2490ZXT)