Boilers
![Boilers](https://storage.googleapis.com/sos-websvc/images/products/weil-mclain-boiler.png)
If your home has hot water radiators in each room for heat, you have a boiler to heat the water. Like a furnace, the energy efficiency of a boiler is given as the Annual Fuel Utilization Efficiency (AFUE). Boilers manufactured since 1992 must have an AFUE of at least 80%. We offer a complete line of gas and oil boilers starting at 80% AFUE and up.
Weil-McLain Gas Boilers
![EVG](https://storage.googleapis.com/sos-websvc/uploads/core/images/Weil-McLain/Evergreen-boiler.jpg)
Evergreen Gas BoilerView Brochure |
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Model Family: EVG |
Annual Fuel Utilization Efficiency: 95% AFUE |
Energy Star Rated: ENERGY STAR® Most Efficient 95% AFUE* rating |
Heat Exchanger Warranty: 12 Year Heat Exchanger Warranty |
Warranty: 5 Year Parts Warranty with Registration within 90 days of installation |
Manufacturer's Stated Benefits:
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![UG](https://storage.googleapis.com/sos-websvc/uploads/core/images/Weil-McLain/UltraSeries4_0.jpg)
Ultra S4 Gas BoilerView Brochure |
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Model Family: UG |
Annual Fuel Utilization Efficiency: Up to 94% AFUE |
Energy Star Rated: ENERGY STAR® |
Heat Exchanger Warranty: 12 Year Heat Exchanger Warranty |
Warranty: 2 Year Parts Warranty |
Manufacturer's Stated Benefits:
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![CGi series 3](https://storage.googleapis.com/sos-websvc/uploads/core/images/Weil-McLain/CGi-quarter-turn-nopipesWEB_0.jpg)
CGi Gas Boiler Series 3View Brochure |
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Model Family: CGi series 3 |
Annual Fuel Utilization Efficiency: 84% AFUE |
Energy Star Rated: No |
Heat Exchanger Warranty: 20 Year Heat Exchanger Limited Warranty |
Warranty: 2 Year Parts Limited Warranty |
Manufacturer's Stated Benefits:
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![CGa Series 2](https://storage.googleapis.com/sos-websvc/uploads/core/images/Weil-McLain/Weil-McClain-CGA.jpg)
CGa Gas Boiler Series 2View Brochure |
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Model Family: CGa Series 2 |
Annual Fuel Utilization Efficiency: Up to 84% AFUE |
Energy Star Rated: No |
Heat Exchanger Warranty: 12 Year Heat Exchanger Limited Warranty |
Warranty: 2 Year Parts Limited Warranty |
Manufacturer's Stated Benefits:
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Weil-McLain Oil Boilers
![UG-***](https://storage.googleapis.com/sos-websvc/uploads/core/images/Weil-McLain/Weil-McLainultra-oilimage.png)
Ultra Oil BoilerView Brochure |
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Model Family: UG-*** |
Annual Fuel Utilization Efficiency: 87% AFUE |
Energy Star Rated: ENERGY STAR® |
Heat Exchanger Warranty: 20 Year Limited Heat Exchanger Warranty |
Warranty: 2 Year Limited Warranty |
Manufacturer's Stated Benefits:
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![WGO](https://storage.googleapis.com/sos-websvc/uploads/core/images/Weil-McLain/Weil-McLainWGOimage.png)
WGO Oil BoilerView Brochure |
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Model Family: WGO |
Annual Fuel Utilization Efficiency: Up to 87% AFUE |
Energy Star Rated: ENERGY STAR® |
Heat Exchanger Warranty: 20 Year Limited Heat Exchanger Warranty |
Warranty: 2 Year Limited Warranty |
Manufacturer's Stated Benefits:
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![WTGO](https://storage.googleapis.com/sos-websvc/uploads/core/images/Weil-McLain/Weil-McLainWTGOimage.png)
WTGO Oil BoilerView Brochure |
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Model Family: WTGO |
Annual Fuel Utilization Efficiency: Up to 87% AFUE |
Energy Star Rated: ENERGY STAR® |
Heat Exchanger Warranty: 20 Year Limited Heat Exchanger Warranty |
Warranty: 2 Year Limited Warranty |
Manufacturer's Stated Benefits:
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![SGO](https://storage.googleapis.com/sos-websvc/uploads/core/images/Weil-McLain/Weil-McLainSGOimage.png)
SGO Oil BoilerView Brochure |
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Model Family: SGO |
Annual Fuel Utilization Efficiency: Up to 85% AFUE |
Energy Star Rated: No |
Heat Exchanger Warranty: 10 Year Limited Heat Exchanger Warranty |
Warranty: 2 Year Limited Warranty |
Manufacturer's Stated Benefits:
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