WGO Oil Boiler
High Efficiency Oil Boiler (Water)
Models
WGO-2, WGO-3, WGO-4, WGO-5, WGO-6, WGO-7, WGO-8, WGO-9Key Features
- Energy Star Rating
- 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
- Dedicated water-only oil boiler with cast iron section - no tankless heater or cover plate
- 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
- 85% AFUE
Efficiency Rating Chart
| Model | I=B=R Burner Cap (GPH) | DOE Heating Capacity (MBH) | Net I=B=R Ratings (MBH) | Min. Chimney Size | Annual Fuel Utilization Efficiency (AFUE) |
|---|---|---|---|---|---|
| WGO-2 | 0.70 | 86 | 75 | 8 x 8 | 86.4 |
| WGO-3 | 0.95 | 115 | 100 | 8 x 8 | 85.3 |
| WGO-4 | 1.20 | 145 | 126 | 8 x 8 | 85.0 |
| WGO-5 | 1.45 | 175 | 152 | 8 x 8 | 85.0 |
| WGO-6 | 1.75 | 212 | 184 | 8 x 8 | 85.0 |
| WGO-7 | 2.00 | 242 | 210 | 8 x 8 | 85.0 |
| WGO-8 | 2.30 | 266 | 231 | 8 x 12 | -- |
| WGO-9 | 2.55 | 295 | 257 | 8 x 12 | -- |
Product Manuals and Literature
- Brochure
(1.35 MB)
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