WGO Series 4 Oil-Fired Water Boiler

  • Dedicated water-only oil boiler with cast iron sections – no tankless heater or cover plate
  • Quick open top and swing-away burner door with full chamber access increases visibility for inspection and servicing
  • Two flue outlets- rear and top – for complete venting flexibility

 

Description

  • Dedicated water-only oil boiler with cast iron sections – no tankless heater or cover plate
  • Quick open top and swing-away burner door with full chamber access increases visibility for inspection and servicing
  • Two flue outlets- rear and top – for complete venting flexibility
  • Recessed target wall design protects unit from flue brushes
  • Includes factory-wired circulator, service switch and Weil-McLain exclusive captured elastomer seals for added reliability
  • Available assembled or as a knockdown for installation areas with limited space

 

Technical Data

ENERGY STARModelBurner Input RatingAHRI Certified RatingsDraft Loss
Through
Boiler
(In. w/c)
Minimum
Chimney Size
Approx.
Shipping Weight
(Lbs.)
GPHMBHHeating
Capacity (MBH)
Net
Ratings (MBH)
AFUERectangular (In.)Round (In.)Height (Ft.)
WGO-20.7098867586.40.108×8615540
YESWGO-2RD0.7098867587.0.0108×8615540
WGO-3R0.80112988586.2.0208×8615595
YESWGO-3RD0.80112988587.0.0108×8615595
WGO-3D0.9513311510086.0.0208×8615595
WGO-4R1.0014012210686.2.0108×8615645
YESWGO-4RD1.0014012310787.0.0108×8615645
WGO-4D1.2016814612786.0.0108×8615645
WGO-5R1.2016814712886.1.0158×8715760
YESWGO-5RD1.2016814812987.0.0158×8715760
WGO-5D1.4520317615386.0.0158×8715760
WGO-6R1.4019617114986.1.0158×8715860
YESWGO-6RD1.4019617315087.0.0158×8715860
WGO-6D1.7524521318586.0.0158×8715860
WGO-7R1.6022419617086.0.0158×8815930
YESWGO-7RD1.6022419717187.0.0158×8815930
WGO-7D2.0028024421286.0.0158×8815930
WGO-82.30322266231.0258×128201,030
WGO-92.55357295257.0308×128201,135

 

Downloads

Brochures and Sales Collateral

WGO Series 4 Brochure 0121

 

Manuals

Riello Burner Manual for WM GO Oil Boilers Series 3&4 122120_0

Carlin Burner Manual for WM GO Oil Boilers Series 3&4 122120_0

Beckett AFG Burner Manual for WM GO Oil Boilers Series 3&4 1220_0

WGO Boiler Manual – Series 4 0421

 

Supplements

WGO-WTGO Series 3&4 ENERGY STAR Supplement

HydroStat 3250 Plus Temp Limit-LWCO Control Instructions_2

 

Technical Documents

GO Series 4 Suggested Specifications

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