| AFUE Rating | : | 80% |
| Cabinet Width | : | 17.5" |
| Cooling Capacity | : | 4 Ton |
| Flow Direction | : | Upflow/Horizontal |
| Input | : | 88,000 Btuh |
| Output | : | 72,000 Btuh |
GE Air & Water NF80U090S4B 90K BTU 80% AFUE Single-Stage Upflow/Horizontal Flow Gas Furnace, 4-Ton Blower, 33" x 17.5" x 28.375"
Aluminized steel crimped non-welded clam shell heat exchanger design
Multi-speed high efficiency (constant torque) blower motor
Easily removable slide out blower design
Single-stage gas valve
Self-diagnostics saves last 10 fault codes regardless of power interruption
Rotatable draft inducer for venting flexibility
Left or right utility connections
Zero step horizontal conversion
Removable floor base (upflow / horizontal units) for bottom return air
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