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Compare Grant Combi Boilers
You can select up to 4 Grant boilers. Simply add your choices to compare.
Fuel type
Boiler type
Manufacturer
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Alpha (22)
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Ariston (17)
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ATAG (7)
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Baxi (28)
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Biasi (15)
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Daikin (3)
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Ferroli (17)
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Firebird (20)
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Glow-worm (29)
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Grant (14)
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Ideal (22)
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Intergas (17)
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Johnson and Starley (3)
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Keston (2)
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Main (4)
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Mistral (66)
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Navien (4)
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Potterton (22)
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Ravenheat (21)
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Vaillant (29)
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Viessmann (16)
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Vokera (13)
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Warmflow (6)
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Warmhaus (12)
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Worcester Bosch (34)
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Zanussi (3)
| Boiler Model | kW | Efficiency | Warranty | Typical Price |
|---|---|---|---|---|
| Grant VortexBlue Internal 21kW Combi Oil Boiler | 21kw | 90.8% | 2 years | £2330 |
| Grant VortexBlue Internal 26kW Combi Oil Boiler | 26kw | 91.7% | 2 years | £1500 |
| Grant VortexBlue Internal 36kW Combi Oil Boiler | 36kw | 94.5% | 2 years | £2500 |
| Grant VortexBlue External 21kW Combi Oil Boiler | 21kw | 90.8% | 2 years | £2185 |
| Grant VortexBlue External 26kW Combi Oil Boiler | 26kw | 91.7% | 2 years | £2325 |
| Grant VortexBlue External 36kW Combi Oil Boiler | 36kw | 94.5% | 2 years | £3105 |
| Grant Vortex Pro Internal Combi 21kW Oil Boiler | 21kw | 90.8% | 2 years | £2175 |
| Grant Vortex Pro Internal Combi 26kW Oil Boiler | 26kw | 89.5% | 2 years | £2340 |
| Grant Vortex Pro Internal Combi 36kW Oil Boiler | 26kw | 94.5% | 2 years | £2985 |
| Grant Vortex Pro Combi XS Compact 26kW Oil Boiler | 26kw | 90% | 2 years | £2325 |
| Grant Vortex Pro Combi External 21kW Oil Boiler | 21kw | 90.8% | 2 years | £2185 |
| Grant Vortex Pro Combi External 26kW Oil Boiler | 26kw | 91.7% | 2 years | £2295 |
| Grant Vortex Pro Combi External 36kW Oil Boiler | 36kw | 94.5% | 2 years | £1875 |
