SCL042AFP40S0PS >S: R-454B >C: CONPACT SINGLE STAGE >L: HORIZONTAL LEFT RETURN >042: 42 MBH >A: REVISION >F: 460/3 >P: DXM2.5 W/MPC >4: STANDARD RANGE ULTRA QUIET >0: STANDARD >S: STAINLESS STEEL DRAIN PAN >0: STANDARD >P: PSC MOTOR >S: STANDARD CLIMATEMASTER