- Single stage, two-stage and variable speed motors
- Power supply 115/1/60 multi-port In-shot burners
- Integrated solid-state control
- Hot surface igniter
- Heavy gauge, wrap-around steel cabinet
- Heavy gauge aluminized steel heat exchanger
- Complete front service access
- Alternate bottom/left/right return air
- Slide out blower assembly
- Direct-drive, 4-speed motors
- Air conditioning fan control provided
- Blower door safety switch
- Adjustable fan and limit control