4 ton York "LX" series split-system air conditioner; Volts: 208-230, Hertz: 60, Phase: 1, SEER: 13, Refrigerant: R-410A, Factory Charge: 4 lbs 9 oz, Design Pressure High/Low: 500 PSIG/300 PSIG, Type: air source, Connection Size: 3/8" x 7/8", Connection Type: sweat, Dims: 30-1/4"H x 29-1/2"W x 29-1/2"D, Weight: 175 lbs, in mfg box, made in USA paired with 4 Ton AC/HP Constant Torque Upflow/Horizontal (Downflow With Kit) Air Handler, Volts:208/240, Hertz:60, Phase:1, Airflow:Multi-Position, CFM:2000, Refrigerant:R410A, SEER:Unknown, Metering Device:TXV, Connection Size:3/8" X 7/8" Sweat, Dims:52-1/2"H X 22"W X 26-1/4"D, Weight:185 Pounds, In Mfg Box, Made In Mexico. Approved Electric Heat Kits: ECB25-2.5-P, ECB25-5-P, ECB25-5CB-P, ECB25-7.5-P, ECB25-7.5CB-P, ECB25-10-P, ECB25-10CB-P, ECB25-12.5-P, ECB25-15CB-P (Not Included) Downflow Capable With Kit (Not Included)