OSB - Oil Fired Steam Boiler Series 2
- Factory tested
- Easy service
- Swing-away burner door
- Low draft loss
- Top access cleanout cover
- Plug-in wiring harness
- High efficiency oil burner
- Flame retention head design
- Solenoid valve
- PSC motor
- Solid state ignitor
- Rear flue outlet
- Cast iron sections with built-in air separator
- Insulated heavy-gauge steel jacket
- Limited lifetime warranty
