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Heavy Steel Insulated Cabinet
Insures more heat circulates into your home, increases durability and reduces sound.
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Primary Heat Exchanger
Crimped, not welded, to prevent stress cracks- made from heavy-duty aluminized steel for long life. Backed by a lifetime limited warranty.
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Stainless Steel Secondary Heat Exchanger
AL29-4C TM is corrosion resistant and captures more of the heat you pay for to warm your home. Backed by a lifetime warranty.
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Variable-Speed Draft Inducer
Quietly provides proper gas combustion
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Hot Surface Igniter
Our adaptive hot surface silicon nitride igniter is more reliable. It eliminates the need for a wasteful pilot light by starting the burners electrically (not shown). It "learns" as your system operates.
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Direct Vent Option
Uses 100% outdoor air, for cleaner air, comfort and longer furnace life.
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Two-Stage Gas Valve
Provides only as much fuel as each stage requires, for greater efficiency.

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Dual Door Latches
Provide easy access to components reduces service time. (Upflow only).
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Variable-Speed Blower Motor With Comfort-RTM
Operates at a lower, more efficient speed than conventional blowers. Trane's exclusive Comfort-R TM feature provides greater humidity control during cooling.
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Efficient Burners
Multi-port in-shot burners perfectly shape the flame cone for the maximum heat, while using less fuel.
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Self-Diagnostic Controls With LitePortTM
Controls every function with digital accuracy, complete with safety features and a built-in troubleshooting system.
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Internal Vent Pipe
Built with super-durable CPVC materials.
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Automotive-Grade Gaskets
Reduced operating sound and air leakage.
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Sealed Combustion
The burner compartment is sealed allowing for quieter operation.
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