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 YORK 
                Diamond 80 Variable Speed Furnace 
                 DESCRIPTION    When your 
                YORK Diamond 80 ULTRA Variable-Speed Furnace is running, you'll 
                feel the warmth, but you may not hear it. During "low fire" 
                capacity operation, the combustion blower operates at a lower 
                speed for quiet comfort. An acoustically-insulated 
                blower compartment further quiets the sound of moving air in your 
                ductwork. In addition, 
                variable-speed operation means longer furnace life. YORK Diamond 
                80 ULTRA Variable-Speed Furnace components start and stop less 
                often, so parts receive less wear than on a conventional furnace. 
                All YORK Diamond furnaces are built to last using the latest in 
                furnace manufacturing systems and strict quality standards. An electronic 
                Diamond Tough ignition system replaces the old-fashioned and wasteful 
                pilot light. The innovative inducer motor draws the correct quantity 
                of combustion air into the furnace for most efficient operation 
                possible. And the ECM 
                blower motor quietly and comfortably circulates the warmed air 
                to every room of your home. Pre-painted solid steel cabinet resists 
                rust and corrosion while keeping its premium appearance for years. To assure 
                your satisfaction, each YORK Diamond 80 ULTRA furnace is test-fired 
                at the factory, and passes a series of computerized tests before 
                it is accepted for shipping. And, our plant has earned the appropriate 
                ISO 9000 Certification for compliance with international manufacturing 
                quality standards.   Advanced YORK 
                Engineering Enhances Home Comfort by Reducing Operating Costs, 
                Sound Levels, and Compromise. Forget the 
                random "comfort compromise" of conventional gas furnaces. 
                Your new YORK Diamond 80 Ultra gas furnace eliminates the trade-off 
                of economy for dependable, reliable performance. Or the choice 
                between quiet operation and even, whole house heating. With an 80% 
                AFUE rating, a new YORK Diamond 80 ULTRA gas furnace allows you 
                to slash your operating costs. Advanced YORK 
                engineering assures your complete comfort on the coldest nights 
                of winter...while keeping operating sounds to a mere whisper. 
                More comfort and reduced sound, for less operating cost. How does 
                YORK do it? The secret 
                is YORK two-stage variable-speed furnace engineering. It's a YORK 
                engineering achievement providing unparalleled comfort and operational 
                economy. During moderately 
                cold weather, conventional furnaces run at maximum capacity for 
                brief time periods, resulting in a quickly satisfied thermostat 
                which turns the system off. Short heating cycles can deteriorate 
                air comfort by creating uneven room temperatures, and reducing 
                the effectiveness of humidifiers and air cleaners. Constant starting 
                and stopping can also shorten equipment life, as well as waste 
                fuel. A YORK Diamond 
                80 ULTRA Variable-Speed Furnace operates at two capacities, with 
                the ability to comfortably maintain temperature levels no matter 
                how cold it is outside. On moderately cold days, these units operate 
                at "low-fire" capacity about 80% of the time. However, 
                on those truly bitter days, a computerized control regulates operation 
                and automatically increases heating capacity. With longer run 
                times, a YORK Diamond 80 Variable Speed Furnace circulates warm 
                air more often than a conventional furnace. Your experience even 
                temperatures from room to room while eliminating the "warm 
                downstairs/cool upstairs" problems that often occur with 
                conventional type furnaces.   |