SCB018AGCM0C0PS 1.5 TON HORIZ W/S HEAT PUMP R454B / 208-230/3/60 MODEL DESCRIPTION: SC: COMPACT 1-STAGE SERIES B: BACK SUPPLY / LEFT RETURN 018: 1.5 TON UNIT CAPACITY A: REVISION A G: 208-230/1 C: STANDARD CXM2 CONTROLS M: EXTENDED RANGE, ULTRA-QUIET,1" FILTER FRAME 0: COPPER HEAT EXCHANGER C: STD DRAIN PAN, COPPER AIR COIL 0: NO ADDITIONAL OPTIONS P: PSC BLOWER MOTOR S: STANDARD CLIMATEMASTER