| Model | Type | Fuel | Efficiency |
|---|---|---|---|
|
|
|||
| Sime Heating Products (UK) Format Friendly | Non-Condensing | Gas | 79.3% |
| Sime Heating Products (UK) Format Friendly e | Non-Condensing | Gas | 79.3% |
| Sime Heating Products (UK) Format super 100 | Non-Condensing | Gas | 78.6% |
| Sime Heating Products (UK) Friendly 11010 | Non-Condensing | Gas | 70.0% |
| Sime Heating Products (UK) Friendly E | Non-Condensing | Gas | 70.0% |
| Sime Heating Products (UK) Murrelle | Non-Condensing | Gas | 75.3% |
| Sime Heating Products (UK) Sime Super 4 | Non-Condensing | Gas | 78.3% |
| Sime Heating Products (UK) Super 102 Deluxe 11006 | Non-Condensing | Gas | 70.0% |
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