Eco-King C100vsWeil-McLain ULTRA-80
Side-by-side boiler comparison
Eco-King C100
AFUE
94%
Fuel
Natural Gas
Type
Boiler
Hot Water
Can integrate
Weil-McLain ULTRA-80
AFUE
93%
Fuel
Natural Gas, Propane Gas
Type
Boiler
Hot Water
Can integrate
Key differences
Both models are closely matched on afue: 94.0 vs 93.0 %. The Eco-King C100 is larger at 94 % versus 93 %.
Efficiency
| Spec | Eco-King | Weil-McLain |
|---|---|---|
| AFUE(%) | 94 | 93 |
| Fuel Type | Natural Gas | Natural Gas, Propane Gas |
| Can Integrate Hot Water Heating | Yes | Yes |
Configuration
| Spec | Eco-King | Weil-McLain |
|---|---|---|
| Product Type | Boiler | Boiler |
| Model Name | C100 | ULTRA |