Nominal 4 Ton, R454B, Single Stage, Air Conditioner, 208 1 Item #4979257 Model #C631 Crystal clear high gloss sheen Crystal clear high gloss sheen provides a fresh look to surfaces Electrical Hertz 60 Phase 1 Voltage 208 230 Specification BTU Rating 51 to 55kBTU Oil POE (Polyester) Discharge Line Size 1 2" BTU Output 51000 Compressor Type Scroll Refrigerant R 410A Safety Standards California Prop 65 Yes Weights and Dimensions Operating Weight (lbs) 80 Exterior Dimensions (D) (inches) 15 • System supports programmable or standard thermostat controls Air conditioners with Puron Advance™ refrigerant provide a collection of features unmatched by any other family of equipment