4 Ton AC/HP Communicating Air Handler, Airflow: Multiposition, Volts: 208-230, Hertz: 60, Phase: 1, CFM: 1800, Refrigerant: R-410A, Motor Type: ECM, Metering Device: EXV, Connection Size: Suction-7/8", Liquid-3/8", Type: Air Source, Dimensions: 53-7/16''H X 24-1/2''W X 21''D, Weight: 160 lbs ***Compatible Heat Kits: HKTSN(03-10)X1, HKTSD(05-10)X1, HKTSD15XA/B, HKTSD20DA/B, WKS (not included)*** **Compatible With Comfortbridge Technology Units** **Unit Requires a Kit for Downflow Application: DFK-D (Not Included)**