Williamson OSB-5-P-S2-W Oil-Fired Steam Boiler Tankless Option 131-174K BTU 83.9% - Burner Sold Separately

$2,648.57
Overstock Qty
Only 1 left
SKU
OSB-5-P-S2-W.

Oil-Fired Steam Boiler, 1.45 GPH Input Natural Optional tankless heater

Burner not included, must be purchased separately.

Construction
• Factory Packaged
• Factory Tested
• Easy to service 
  - Swing-away burner door
  - Low draft loss
  - Top access cleanout cover
  - Plug-in wiring harness
• Rear flue outlet
• Cast iron sections with built-in air separator
• Insulated heavy-gauge steel jacket
• Limited lifetime warranty

Equipment
• Factory-assembled cast iron section assembly,
including aluminized steel flue collector, swing-
away burner mounting door, with refractory
blanket and recessed target wall in combustion
chamber.
• High limit pressure control
• Probe low water cutoff
• Pressure gauge
• Siphon
• Gauge glass, gauge cocks and guards
• 15 PSIG ASME relief valve
• Drain valve
• Barometric damper
Optional:
• Two-stage oil burner fuel unit
• Tankless heater, shipped in separate carton


LITERATURE

 Brochure

 Manual

 Residential Warranty

 Commercial Warranty


SPECIFICATIONS

Input (GPH): 1.45
DOE Heating Capacity (MBH):174
IBR (MBH): 131
AFUE: 83.9%
Dimensions (H x W x D): 35-5/8 X 20-1/4 X 22-1/8"
CONNECTIONS
Supply: 2-1/2"
Return: 2"
FLUE: 7"
Weight: 820



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