OSB - Oil-Fired Steam Boiler Series 3
- Factory Tested
- Probe Type Low Water Cutoff
- Easy Service
- Swing-away burner door
- Top access cleanout cover
- Plug-in wiring harness
- High efficiency oil burner
- Solenoid valve
- PSC motor
- Solid state igniter
- Rear flue outlet
- Top flue available with optional kit
- Cast iron sections
- Insulated heavy-gauge steel jacket
- Tankless heater option
