Manuals Brands Westinghouse Furnace Westinghouse Furnace Manuals ProdManuals has more than 5 Westinghouse Furnace manual(s) covering 5 model(s). F I Models Document Type F FG6RL FG7TC FG7TL 95.1% AFUE Two-Stage Variable-Speed FG7TC 95.1% AFUE Two-Stage FG7TL 95.1% AFUE Two-Stage I iQ Drive 97% AFUE Modulating