| Model | Type | Fuel | Efficiency |
|---|---|---|---|
|
|
|||
| Servowarm Elite 21 | Condensing | Gas | 85.6% |
| Servowarm Elite 21 Condensing Combination | Condensing | Gas | 86.2% |
| Servowarm Elite 21 Plus | Condensing | Gas | 86.3% |
| Servowarm Elite HE 30 | Condensing | Gas | 83.8% |
| Servowarm Elite HE 40 | Condensing | Gas | 84.2% |
| Servowarm Elite HE 50 | Condensing | Gas | 84.8% |
| Servowarm Elite HE 70/80 | Condensing | Gas | 84.5% |
| Servowarm Elite HE Combi | Condensing | Gas | 85.2% |
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