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Williamson-Thermoflo OSB-5 - 131K BTU - 83.9% AFUE - Steam Oil Boiler (Burner Not Included)

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SKU:
OSB-5-P-S3
Width:
20.25 (in)
Height:
35.63 (in)
Depth:
23.13 (in)
$3,347.47

Description

The efficient OSB-5-P-S2-W-W pumps out 174,000 BTUs with a thermal efficiency rating rating of 83.9 percent. The OSB is also designed with a solenoid valve, PSC motor, and a solid state igniter to maintain that efficiency. This boiler is equipped with many features, such as a plug-in wiring harness, cast-iron sections, and an insulated heavy-gauge steel jacket. 

Specs:

  • AHRI Burner Cap (GPH): 1.45
  • Net AHRI Ratings: Steam (Sq. Ft.): 546
  • Net AHRI Ratings: Steam (MBH): 131
  • % DOE Seasonal Efficiency (AFUE) - Steam: 83.9
  • Min. Chimney Size:
  • Rectangular
  • (x 15' high): 8" x 8"
  • Shipping Weight: 820

Features:

  • 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

Manuals:
Brochure
installation guide
owner's manual

 

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Warranty Information

Parts Warranty 3 Years Heat Exchanger Warranty 10 Years
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