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Preferred™ Series Plus 80t™ Gas Furnace
Two-Stage Heating Adds Up to One Smart Economical Choice |
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Energy efficient, whisper quiet and ultra-reliable, our Preferred 80 Gas Furnace brings home dual-stage comfort control. You'll minimize temperature swings and maximize savings as it heats on low most of the time.
Models: 312AAV, 312JAV
Key Features
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Energy efficiency-Up to 80% AFUE
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Perfect Heat™ technology
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Fan On Plus™ technology
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QuieTech™ noise reduction system
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Pilot-free PerfectLight™ ignition
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High efficiency air filtration cabinet
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10-year parts and 20-year heat exchanger limited warranty upon registration |
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Models starting with: 312
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Owner's Manual
Induced Combustion Gas Furnace
Date Modified: 6/29/10
311AAV 312AAV Downflow/Horizontal Upflow Gas Furnace
Date Modified: 2/17/07
Consumer Brochure
312 multi-poise The Plus 80t Gas Furnace with Perfect Heat consumer brochure
Date Modified: 6/1/09
Multi-Position Furnace Stand
Date Modified: 2/17/07
312 Multi-Poise Gas Furnace the Plus 80t with Perfect Heat
Date Modified: 2/17/07
Warranty Card
Limited Warranty for Non-Condensing Gas Furnace
Date Modified: 12/31/09 |
312AAV
| Performance |
| Energy Efficiency |
Up to 80% AFUE |
| Warranty |
10-year parts and 20-year heat exchanger limited warranty upon registration |
| Controls |
| Controls Supported |
Thermidistat™, Thermostat |
| Diagnostics |
Over 70 parameters via PDA or laptop |
| Technology |
| Capacity |
66,000 - 154,000 BTUH |
| Blower Motor |
Two speed |
| Primary Heat Exchanger |
Serpentuff™ polypropylene-coated |
| Fuel |
Natural gas, convertible to liquid propane (LP) |
| Aesthetics |
| Profile |
Two-stage, 4-way multipoise |
| Construction |
Galvanized steel |
| Paint |
Baked on urethane base coat and polyester top coat |
312JAV
| Performance |
| Energy Efficiency |
Up to 80% AFUE, Lo Nox |
| Warranty |
10-year parts and 20-year heat exchanger limited warranty upon registration |
| Controls |
| Controls Supported |
Thermidistat, Thermostat |
| Diagnostics |
Over 70 parameters via PDA or laptop |
| Technology |
| Capacity |
66,000 - 154,000 BTUH |
| Blower Motor |
Two speed |
| Primary Heat Exchanger |
Serpentuff polypropylene-coated |
| Fuel |
Natural gas, convertible to liquid propane (LP) |
| Aesthetics |
| Profile |
Two-stage, 4-way multipoise |
| Construction |
Galvanized steel |
| Paint |
Baked on urethane base coat and polyester top coat | | |
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