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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

Model
Burner Input (GPH)
Net AHRI Ratings: Steam (Sq. Ft.)
Net AHRI Ratings: Steam (MBH)
% DOE Seasonal Efficiency (AFUE) – Steam
Min. Chimney Size:
Rectangular
(x 15′ high)
Shipping Weight
OSB-3
0.95
358
86
84.0
8″ x 8″
600
OSB-4
1.20
450
108
84.0
8″ x 8″
705
OSB-5
1.45
546
131
83.9
8″ x 8″
820
OSB-6
1.75
658
158
83.7
8″ x 8″
920
Model
Burner Input (GPH)
Net AHRI Ratings: Steam (Sq. Ft.)
Net AHRI Ratings: Steam (MBH)
% DOE Seasonal Efficiency (AFUE) – Steam
Min. Chimney Size:
Rectangular
(x 15′ high)
Shipping Weight
OSB-3
0.95
358
86
84.0
8″ x 8″
600
OSB-4
1.20
450
108
84.0
8″ x 8″
705
OSB-5
1.45
546
131
83.9
8″ x 8″
820
OSB-6
1.75
658
158
83.7
8″ x 8″
920

Brochures & Sales Collateral

OSB Series 2 – Brochure

Manuals

OSB Series 2 – Installation Manual

OSB Series 2 – User’s Manual

Warranty Information

OSB Series 2 – Commercial Warranty

OSB Series 2 – Residential Warranty