Model W1F f/b numeric characters, 2.5 to 30.0 kW, for use with the following:
York single piece air handler model F1FC, F1FP, F1RC or F1RP or Luxaire or Fraser Johnston single piece air handler model FALB, FALP, FANB or FANP, all f/b 018, 024, 030, 036, 042, 048 or 060
York single piece air handler (heat pump) model F2RP or F2FP or single piece air handler (cooling) model F2RC or F2FC, all f/b 018, 024, 030, 036, 042, 048 or 060
Air Pro or Coleman single piece air handler (heat pump) model FYRP or FYFP or single piece air handler (cooling) model FYRC or FYFC, all f/b 018, 024, 030, 036, 042, 048 or 060
Luxaire or Fraser Johnston single piece air handler (heat pump) model FBRP or FBFP or single piece air handler (cooling) model FBRC or FBFC, all f/b 018, 024, 030, 036, 042, 048 or 060
York modular air handler model N1AH f/b B, C or D f/b 0806, 1206, 1293, 1606, 1693, 2006 or 2093
Air Pro, Coleman, Luxaire or Fraser Johnston modular air handler model NAAH f/b B, C or D f/b 0806, 1206, 1246, 1293, 1606, 1646, 1693, 2006, 2046 or 2093
York air handler model F3RP, F3FP, FXRP, F2FV, F3FV, F4FP, F5FP, F4FV, or F6FP f/b 018, 024, 030, 036, 040, 042, 048 or 060