2 Ton Multi-Position ECM Variable Speed Communicating AC/HP Fancoil, Volts:208/230, Hertz:60, Phase:1, 19.5 SEER, Refrigerant:R-410A, Metering Device:EEV, SEER:19.5, Motor Type:ECM, Speeds:Variable, Connection Size:3/8" X 3/4", Connection Type:Sweat, Black Epoxy Coil, Heat:None, Overall Dims:49.9"H X 17.5"W X 21.8"D, Weight:116Lbs, Origin:USA Approved Heat Kits: BAYEVAC041, BAYEVAC051, BAYEVAC081, BAYEVAC101 - Not Included Requires A: TC0NT850AC52UB Ortzon1050AC52ZB Model Thermostat In Order To Work Compatible With TZONE850/950 Communicating Thermostats For Variable Speed Outdoor Units