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Indoor
• Gas Furnaces • Freedom 90® Single-Stage
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1. Induced draft venting quietly draws hot gases
through the heat exchanger, maximizing the heat
transfer efficiencies of the exchanger design.
2. Multi-port in-shot burners perfectly shape the
flame cone for the maximum heat possible while using
less fuel.
3. Adaptive hot surface silicon nitride igniter
starts burners electrically for safe, efficient
operation. There’s no pilot light constantly
burning fuel. Backed by a 5-year limited warranty.
4. Sealed combustion means the burner compartment
is sealed allowing for quieter operation and regional
code compliance. (AUX/ADX models only).
5. Aluminized steel heat exchanger is crimped, not
welded, to prevent cracks from heat stress. Stamped
serpentine channel offers the greatest efficiency
in less space. Backed by a lifetime limited warranty.
6. Heavy steel insulated cabinet holds more heat
in the furnace to better warm your home. Also assures
greater durability and quieter operation.
7. Self-diagnostic controls are the solid-state
brain of the Freedom® 90 Single-Stage and manage
every function with digital accuracy. Includes safety
features and a built-in troubleshooting system.
8. AL29-4C™ stainless steel secondary heat
exchanger captures more of the heat you pay for.
Backed by a lifetime limited warranty.
9. Internal vent pipe is made of long-lasting CPVC
material.
10. Multi-speed blower motor operates quietly and
efficiently, gently warming and maintaining comfort.
Handles all central air conditioning needs for year
‘round comfort.
11. Dual door latches allow easy access to the filter
for cleaning or changing. (On upflow AUX models
only.)
12. Cleanable filter means you can rinse or vacuum
it without buying replacements each time.
13. Spring-loaded filter rack automatically adjusts
for standard size off-the-shelf filters. (On upflow
AUX models only.)
14. Automotive grade gaskets and insulated blower
door reduce operating sound and air infiltration.
(AUX only)
15. Direct vent option uses 100% outdoor air for
combustion for increased equipment life and cleaner
air. (AUX only)
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| Specifications |
| Limited
Warranty |
| Product
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