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1. HEAVY STEEL INSULATED CABINET
Greater durability, quieter operation. Holds heat inside the cabinet, insuring that more heat circulates into your home |
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2. PRIMARY HEAT EXCHANGER
Made of heavy duty aluminized steel for long life. Each exchanger is crimped, not welded, to prevent stress cracks. Backed with a lifetime warranty. |
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3. VARIABLE SPEED DRAFT INDUCER
Monitors pressure switch input, making periodic adjustments when needed to provide proper gas combustion. Eliminates nuisance no heat calls. |
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4. ADAPTIVE HOT SURFACE SILICON
NITRIDE IGNITER
Starts burners electrically, eliminating a wasteful pilot light. A real energy saver and very durable and reliable. Backed by a 5-year limited warranty. |
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5. DIRECT VENT OPTION
Uses 100% outdoor air for combustion for increased equipment life and cleaner air. |
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6. TWO-STAGE GAS VALVE
Works efficiently with the variable speed blower by providing only as much fuel as each stage requires. |
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7. DUAL DOOR LATCHES
Easy-to-open furnace door means the filter is easily accessible for cleaning or changing. (On upflow models only) |
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8. VARIABLE SPEED BLOWER MOTOR (XV90)
Operates at a lower, more efficient speed than conventional blowers. The design eliminates short-cycling, the frequent starting and stopping common to many furnaces. |
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9. FOUR SPEED INDUCTION BLOWER MOTOR (XL90)
Operates quietly and efficiently, gently waRebholtz Mechanicalng and maintaining comfort. Handles all central air conditioning needs for year 'round comfort. (Not Shown.) |
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10. MULTI-PORT IN-SHOT BURNERS
Orifice design perfectly shapes the flame cone for the maximum heat possible, while using less fuel. |
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11. AL24-C STAINLESS STEEL SECONDARY HEAT
Captures moor of the heat you pay for. Also, backed by a lifetime limited warranty. |
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12. SELF-DIAGNOSTIC CONTROLS
The solid state brain controls every function of the XV90 and the XL90 with digital accuracy, complete with safety features and a built-in troubleshooting system. Backed by a 5-year limited warranty. |