Model

ULTRA HIGH EFFICIENCY GAS FURNACES
FF***LM98
FF***LM97
FF***LT96
FF***TT96
FF***PT96 *
FF***TS95
FF***PS95 *
HIGH EFFICIENCY GAS FURNACES
FF***TS92
FF***PS92 *
ENTRY-LEVEL EFFICIENCY GAS FURNACES
FF***LT80
FF***TS80
FF***HT80 *
FF***PS80 *
FF***HS80 *
FF***LS80Z (Ultra LoNOx)
FF***TS80 (Ultra LoNOx)
FF***CS80
FF***TT80