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Williamson-Thermoflo OWB4-S3 Oil-Fired Water Boiler Series 3

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SKU:
OWB-4-T-S3
UPC:
811175020850
Width:
20.25 (in)
Height:
35.58 (in)
Depth:
16.78 (in)
$2,548.97

Description

Burner not included.

To purchase a burner, please click here

The highly efficient OWB-4-T-S3-W is  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 temperature limit control, cast-iron sections with built-in separator, and an insulated heavy-gauge steel jacket. 

Specs

Burner Input: 1.00 GPH
MBH: 140
Heating Capacity MBH: 122
Net Ratings MBH: 106
Seasonal Efficiency AFUE%: 86.2%
Flue Outlet Diameter: 7”
Minimum Chimney Size (Rectangle): 8” x 8”
Minimum Chimney Size (Round): 6”
Draft Loss Through Boiler: 0.010 Inches W.C
Approx. Shipping Weight (OWB): 645 lbs
Approx. Shipping Weight (OWT): 660 lbs
Circulator Flange Size (Recommended Supply & Return Pipe Size, NPT): 1-1/4”

Features

  • 0.70 to 1.75 GPH Input
  • 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

Downloads

Specifications Sheet

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Warranty Information

Parts Warranty 3 Years
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